I have enumerate
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\begin{document}
\begin{enumerate}[\quad 1)]
\item $y = (x-5)\cdot \sqrt{x^2+7 x+10}$, \quad $y'=\dfrac{4 x^2+11 x-15}{2 \sqrt{x^2+7 x+10}}$. \hfill Answer. $x=1.$ \item $y = (x-4)\cdot \sqrt{x^2+6 x+5}$, \quad $y'=\dfrac{2 x^2+5 x-7}{\sqrt{x^2+6 x+5}}$. \hfill Answer. $x=1.$ \item $y = (x-1)\cdot \sqrt{x^2-16 x+60}$, \quad $y'=\dfrac{2 x^2-25 x+68}{\sqrt{x^2-16 x+60}}$. \hfill Answer. $x=4.$ \item $y = (x+1)\cdot \sqrt{x^2-12 x+32}$, \quad $y'=\dfrac{2 x^2-17 x+26}{\sqrt{x^2-12 x+32}}$. \hfill Answer. $x=2.$ \item $y = (x+1)\cdot \sqrt{x^2-15 x+54}$, \quad $y'=\dfrac{4 x^2-43 x+93}{2 \sqrt{x^2-15 x+54}}$. \hfill Answer. $x=3.$ \item $y = (x+2)\cdot \sqrt{x^2-10 x+21}$, \quad $y'=\dfrac{2 x^2-13 x+11}{\sqrt{x^2-10 x+21}}$. \hfill Answer. $x=1.$ \item $y = (x+2)\cdot \sqrt{x^2-13 x+40}$, \quad $y'=\dfrac{4 x^2-35 x+54}{2 \sqrt{x^2-13 x+40}}$. \hfill Answer. $x=2.$ \item $y = (x+3)\cdot \sqrt{x^2-8 x+12}$, \quad $y'=\dfrac{x (2 x-9)}{\sqrt{x^2-8 x+12}}$. \hfill Answer. $x=0.$ \item $y = (x+3)\cdot \sqrt{x^2-11 x+28}$, \quad $y'=\dfrac{4 x^2-27 x+23}{2 \sqrt{x^2-11 x+28}}$. \hfill Answer. $x=1.$ \item $y = (x+4)\cdot \sqrt{x^2-6 x+5}$, \quad $y'=\dfrac{2 x^2-5 x-7}{\sqrt{x^2-6 x+5}}$. \hfill Answer. $x=-1.$ \item $y = (x+4)\cdot \sqrt{x^2-9 x+18}$, \quad $y'=\dfrac{x (4 x-19)}{2 \sqrt{x^2-9 x+18}}$. \hfill Answer. $x=0.$ \item $y = (x+5)\cdot \sqrt{x^2-7 x+10}$, \quad $y'=\dfrac{4 x^2-11 x-15}{2 \sqrt{x^2-7 x+10}}$. \hfill Answer. $x=-1.$ \item $y = (x+6)\cdot \sqrt{x^2-2 x-3}$, \quad $y'=\dfrac{2 x^2+3 x-9}{\sqrt{x^2-2 x-3}}$. \hfill Answer. $x=-3.$ \item $y = (x+6)\cdot \sqrt{x^2-5 x+4}$, \quad $y'=\dfrac{4 x^2-3 x-22}{2 \sqrt{x^2-5 x+4}}$. \hfill Answer. $x=-2.$ \item $y = (x+7)\cdot \sqrt{x^2-4}$, \quad $y'=\dfrac{2 x^2+7 x-4}{\sqrt{x^2-4}}$. \hfill Answer. $x=-4.$ \item $y = (x+8)\cdot \sqrt{x^2+2 x-3}$, \quad $y'=\dfrac{2 x^2+11 x+5}{\sqrt{x^2+2 x-3}}$. \hfill Answer. $x=-5.$ \item $y = (x+8)\cdot \sqrt{x^2-x-2}$, \quad $y'=\dfrac{4 x^2+13 x-12}{2 \sqrt{x^2-x-2}}$. \hfill Answer. $x=-4.$ \item $y = (x+8)\cdot \sqrt{x^2-12 x+20}$, \quad $y'=\dfrac{2 \left(x^2-5 x-14\right)}{\sqrt{x^2-12 x+20}}$. \hfill Answer. $x=-2.$ \item $y = (x+9)\cdot \sqrt{x^2+x-2}$, \quad $y'=\dfrac{4 x^2+21 x+5}{2 \sqrt{x^2+x-2}}$. \hfill Answer. $x=-5.$ \item $y = (x+9)\cdot \sqrt{x^2-10 x+9}$, \quad $y'=\dfrac{2 \left(x^2-3 x-18\right)}{\sqrt{x^2-10 x+9}}$. \hfill Answer. $x=-3.$ \item $y = (x+10)\cdot \sqrt{x^2+6 x+5}$, \quad $y'=\dfrac{2 x^2+19 x+35}{\sqrt{x^2+6 x+5}}$. \hfill Answer. $x=-7.$ \item $y = (x+10)\cdot \sqrt{x^2-8 x-20}$, \quad $y'=\dfrac{2 \left(x^2-x-30\right)}{\sqrt{x^2-8 x-20}}$. \hfill Answer. $x=-5.$ \item $y = (x+10)\cdot \sqrt{x^2-14 x+40}$, \quad $y'=\dfrac{2 x^2-11 x-30}{\sqrt{x^2-14 x+40}}$. \hfill Answer. $x=-2.$ \item $y = (2 x-5)\cdot \sqrt{x^2-12 x+35}$, \quad $y'=\dfrac{4 x^2-41 x+100}{\sqrt{x^2-12 x+35}}$. \hfill Answer. $x=4.$ \item $y = (2 x-3)\cdot \sqrt{x^2+4 x+3}$, \quad $y'=\dfrac{x (4 x+9)}{\sqrt{x^2+4 x+3}}$. \hfill Answer. $x=0.$ \item $y = (2 x-3)\cdot \sqrt{x^2-10 x+24}$, \quad $y'=\dfrac{4 x^2-33 x+63}{\sqrt{x^2-10 x+24}}$. \hfill Answer. $x=3.$ \item $y = (2 x-2)\cdot \sqrt{x^2-16 x+60}$, \quad $y'=\dfrac{2 \left(2 x^2-25 x+68\right)}{\sqrt{x^2-16 x+60}}$. \hfill Answer. $x=4.$ \item $y = (2 x-1)\cdot \sqrt{x^2+6 x+8}$, \quad $y'=\dfrac{4 x^2+17 x+13}{\sqrt{x^2+6 x+8}}$. \hfill Answer. $x=-1.$ \item $y = (2 x-1)\cdot \sqrt{x^2-8 x+15}$, \quad $y'=\dfrac{4 x^2-25 x+34}{\sqrt{x^2-8 x+15}}$. \hfill Answer. $x=2.$ \item $y = (2 x+1)\cdot \sqrt{x^2+8 x+15}$, \quad $y'=\dfrac{4 x^2+25 x+34}{\sqrt{x^2+8 x+15}}$. \hfill Answer. $x=-2.$ \item $y = (2 x+1)\cdot \sqrt{x^2-6 x+8}$, \quad $y'=\dfrac{4 x^2-17 x+13}{\sqrt{x^2-6 x+8}}$. \hfill Answer. $x=1.$ \item $y = (2 x+2)\cdot \sqrt{x^2-12 x+32}$, \quad $y'=\dfrac{4 x^2-34 x+52}{\sqrt{x^2-12 x+32}}$. \hfill Answer. $x=2.$ \item $y = (2 x+2)\cdot \sqrt{x^2-15 x+54}$, \quad $y'=\dfrac{4 x^2-43 x+93}{\sqrt{x^2-15 x+54}}$. \hfill Answer. $x=3.$ \item $y = (2 x+3)\cdot \sqrt{x^2-4 x+3}$, \quad $y'=\dfrac{x (4 x-9)}{\sqrt{x^2-4 x+3}}$. \hfill Answer. $x=0.$ \item $y = (2 x+4)\cdot \sqrt{x^2-10 x+21}$, \quad $y'=\dfrac{4 x^2-26 x+22}{\sqrt{x^2-10 x+21}}$. \hfill Answer. $x=1.$ \item $y = (2 x+4)\cdot \sqrt{x^2-13 x+40}$, \quad $y'=\dfrac{4 x^2-35 x+54}{\sqrt{x^2-13 x+40}}$. \hfill Answer. $x=2.$ \item $y = (2 x+6)\cdot \sqrt{x^2-8 x+12}$, \quad $y'=\dfrac{2 x (2 x-9)}{\sqrt{x^2-8 x+12}}$. \hfill Answer. $x=0.$ \item $y = (2 x+6)\cdot \sqrt{x^2-11 x+28}$, \quad $y'=\dfrac{4 x^2-27 x+23}{\sqrt{x^2-11 x+28}}$. \hfill Answer. $x=1.$ \item $y = (2 x+7)\cdot \sqrt{x^2-1}$, \quad $y'=\dfrac{4 x^2+7 x-2}{\sqrt{x^2-1}}$. \hfill Answer. $x=-2.$ \item $y = (2 x+7)\cdot \sqrt{x^2-14 x+40}$, \quad $y'=\dfrac{4 x^2-35 x+31}{\sqrt{x^2-14 x+40}}$. \hfill Answer. $x=1.$ \item $y = (2 x+8)\cdot \sqrt{x^2-6 x+5}$, \quad $y'=\dfrac{2 \left(2 x^2-5 x-7\right)}{\sqrt{x^2-6 x+5}}$. \hfill Answer. $x=-1.$ \item $y = (2 x+8)\cdot \sqrt{x^2-9 x+18}$, \quad $y'=\dfrac{x (4 x-19)}{\sqrt{x^2-9 x+18}}$. \hfill Answer. $x=0.$ \item $y = (2 x+9)\cdot \sqrt{x^2-12 x+27}$, \quad $y'=\dfrac{x (4 x-27)}{\sqrt{x^2-12 x+27}}$. \hfill Answer. $x=0.$ \item $y = (2 x+10)\cdot \sqrt{x^2-7 x+10}$, \quad $y'=\dfrac{4 x^2-11 x-15}{\sqrt{x^2-7 x+10}}$. \hfill Answer. $x=-1.$ \item $y = (3 x-5)\cdot \sqrt{x^2+8 x+15}$, \quad $y'=\dfrac{6 x^2+31 x+25}{\sqrt{x^2+8 x+15}}$. \hfill Answer. $x=-1.$ \item $y = (3 x-5)\cdot \sqrt{x^2+6 x+5}$, \quad $y'=\dfrac{2 x (3 x+11)}{\sqrt{x^2+6 x+5}}$. \hfill Answer. $x=0.$ \item $y = (3 x-5)\cdot \sqrt{x^2-9 x+20}$, \quad $y'=\dfrac{12 x^2-91 x+165}{2 \sqrt{x^2-9 x+20}}$. \hfill Answer. $x=3.$ \item $y = (3 x-4)\cdot \sqrt{x^2+3 x+2}$, \quad $y'=\dfrac{x (12 x+19)}{2 \sqrt{x^2+3 x+2}}$. \hfill Answer. $x=0.$ \item $y = (3 x-4)\cdot \sqrt{x^2-12 x+32}$, \quad $y'=\dfrac{2 \left(3 x^2-29 x+60\right)}{\sqrt{x^2-12 x+32}}$. \hfill Answer. $x=3.$ \item $y = (3 x-4)\cdot \sqrt{x^2-14 x+48}$, \quad $y'=\dfrac{6 x^2-67 x+172}{\sqrt{x^2-14 x+48}}$. \hfill Answer. $x=4.$ \item $y = (3 x-3)\cdot \sqrt{x^2-16 x+60}$, \quad $y'=\dfrac{3 \left(2 x^2-25 x+68\right)}{\sqrt{x^2-16 x+60}}$. \hfill Answer. $x=4.$ \item $y = (3 x-2)\cdot \sqrt{x^2-7 x+12}$, \quad $y'=\dfrac{12 x^2-67 x+86}{2 \sqrt{x^2-7 x+12}}$. \hfill Answer. $x=2.$ \item $y = (3 x-1)\cdot \sqrt{x^2+5 x+6}$, \quad $y'=\dfrac{12 x^2+43 x+31}{2 \sqrt{x^2+5 x+6}}$. \hfill Answer. $x=-1.$ \item $y = (3 x-1)\cdot \sqrt{x^2-10 x+21}$, \quad $y'=\dfrac{6 x^2-46 x+68}{\sqrt{x^2-10 x+21}}$. \hfill Answer. $x=2.$ \item $y = (3 x-1)\cdot \sqrt{x^2-12 x+35}$, \quad $y'=\dfrac{6 x^2-55 x+111}{\sqrt{x^2-12 x+35}}$. \hfill Answer. $x=3.$ \item $y = (3 x+1)\cdot \sqrt{x^2-5 x+6}$, \quad $y'=\dfrac{12 x^2-43 x+31}{2 \sqrt{x^2-5 x+6}}$. \hfill Answer. $x=1.$ \item $y = (3 x+2)\cdot \sqrt{x^2+7 x+12}$, \quad $y'=\dfrac{12 x^2+67 x+86}{2 \sqrt{x^2+7 x+12}}$. \hfill Answer. $x=-2.$ \item $y = (3 x+2)\cdot \sqrt{x^2-8 x+12}$, \quad $y'=\dfrac{6 x^2-34 x+28}{\sqrt{x^2-8 x+12}}$. \hfill Answer. $x=1.$ \item $y = (3 x+2)\cdot \sqrt{x^2-10 x+24}$, \quad $y'=\dfrac{6 x^2-43 x+62}{\sqrt{x^2-10 x+24}}$. \hfill Answer. $x=2.$ \item $y = (3 x+3)\cdot \sqrt{x^2-12 x+32}$, \quad $y'=\dfrac{6 x^2-51 x+78}{\sqrt{x^2-12 x+32}}$. \hfill Answer. $x=2.$ \item $y = (3 x+3)\cdot \sqrt{x^2-15 x+54}$, \quad $y'=\dfrac{3 \left(4 x^2-43 x+93\right)}{2 \sqrt{x^2-15 x+54}}$. \hfill Answer. $x=3.$ \item $y = (3 x+4)\cdot \sqrt{x^2-3 x+2}$, \quad $y'=\dfrac{x (12 x-19)}{2 \sqrt{x^2-3 x+2}}$. \hfill Answer. $x=0.$ \item $y = (3 x+5)\cdot \sqrt{x^2+9 x+20}$, \quad $y'=\dfrac{12 x^2+91 x+165}{2 \sqrt{x^2+9 x+20}}$. \hfill Answer. $x=-3.$ \item $y = (3 x+5)\cdot \sqrt{x^2-6 x+5}$, \quad $y'=\dfrac{2 x (3 x-11)}{\sqrt{x^2-6 x+5}}$. \hfill Answer. $x=0.$ \item $y = (3 x+5)\cdot \sqrt{x^2-8 x+15}$, \quad $y'=\dfrac{6 x^2-31 x+25}{\sqrt{x^2-8 x+15}}$. \hfill Answer. $x=1.$ \item $y = (3 x+6)\cdot \sqrt{x^2-10 x+21}$, \quad $y'=\dfrac{6 x^2-39 x+33}{\sqrt{x^2-10 x+21}}$. \hfill Answer. $x=1.$ \item $y = (3 x+6)\cdot \sqrt{x^2-13 x+40}$, \quad $y'=\dfrac{3 \left(4 x^2-35 x+54\right)}{2 \sqrt{x^2-13 x+40}}$. \hfill Answer. $x=2.$ \item $y = (3 x+8)\cdot \sqrt{x^2-6 x+8}$, \quad $y'=\dfrac{x (6 x-19)}{\sqrt{x^2-6 x+8}}$. \hfill Answer. $x=0.$ \item $y = (3 x+9)\cdot \sqrt{x^2-8 x+12}$, \quad $y'=\dfrac{3 x (2 x-9)}{\sqrt{x^2-8 x+12}}$. \hfill Answer. $x=0.$ \item $y = (3 x+9)\cdot \sqrt{x^2-11 x+28}$, \quad $y'=\dfrac{3 \left(4 x^2-27 x+23\right)}{2 \sqrt{x^2-11 x+28}}$. \hfill Answer. $x=1.$ \item $y = (3 x+10)\cdot \sqrt{x^2-12 x+20}$, \quad $y'=\dfrac{2 x (3 x-22)}{\sqrt{x^2-12 x+20}}$. \hfill Answer. $x=0.$ \item $y = (3 x+10)\cdot \sqrt{x^2-16 x+60}$, \quad $y'=\dfrac{2 \left(3 x^2-31 x+50\right)}{\sqrt{x^2-16 x+60}}$. \hfill Answer. $x=2.$ \item $y = (4 x-5)\cdot \sqrt{x^2-14 x+40}$, \quad $y'=\dfrac{8 x^2-89 x+195}{\sqrt{x^2-14 x+40}}$. \hfill Answer. $x=3.$ \item $y = (4 x-5)\cdot \sqrt{x^2-18 x+80}$, \quad $y'=\dfrac{8 x^2-113 x+365}{\sqrt{x^2-18 x+80}}$. \hfill Answer. $x=5.$ \item $y = (4 x-4)\cdot \sqrt{x^2-16 x+60}$, \quad $y'=\dfrac{4 \left(2 x^2-25 x+68\right)}{\sqrt{x^2-16 x+60}}$. \hfill Answer. $x=4.$ \item $y = (4 x-2)\cdot \sqrt{x^2+6 x+8}$, \quad $y'=\dfrac{8 x^2+34 x+26}{\sqrt{x^2+6 x+8}}$. \hfill Answer. $x=-1.$ \item $y = (4 x-2)\cdot \sqrt{x^2-8 x+15}$, \quad $y'=\dfrac{8 x^2-50 x+68}{\sqrt{x^2-8 x+15}}$. \hfill Answer. $x=2.$ \item $y = (4 x-1)\cdot \sqrt{x^2-12 x+27}$, \quad $y'=\dfrac{8 x^2-73 x+114}{\sqrt{x^2-12 x+27}}$. \hfill Answer. $x=2.$ \item $y = (4 x-1)\cdot \sqrt{x^2-16 x+63}$, \quad $y'=\dfrac{8 x^2-97 x+260}{\sqrt{x^2-16 x+63}}$. \hfill Answer. $x=4.$ \item $y = (4 x+2)\cdot \sqrt{x^2+8 x+15}$, \quad $y'=\dfrac{8 x^2+50 x+68}{\sqrt{x^2+8 x+15}}$. \hfill Answer. $x=-2.$ \item $y = (4 x+2)\cdot \sqrt{x^2-6 x+8}$, \quad $y'=\dfrac{8 x^2-34 x+26}{\sqrt{x^2-6 x+8}}$. \hfill Answer. $x=1.$ \item $y = (4 x+3)\cdot \sqrt{x^2-10 x+16}$, \quad $y'=\dfrac{8 x^2-57 x+49}{\sqrt{x^2-10 x+16}}$. \hfill Answer. $x=1.$ \item $y = (4 x+3)\cdot \sqrt{x^2-14 x+48}$, \quad $y'=\dfrac{8 x^2-81 x+171}{\sqrt{x^2-14 x+48}}$. \hfill Answer. $x=3.$ \item $y = (4 x+4)\cdot \sqrt{x^2-12 x+32}$, \quad $y'=\dfrac{4 \left(2 x^2-17 x+26\right)}{\sqrt{x^2-12 x+32}}$. \hfill Answer. $x=2.$ \item $y = (4 x+4)\cdot \sqrt{x^2-15 x+54}$, \quad $y'=\dfrac{2 \left(4 x^2-43 x+93\right)}{\sqrt{x^2-15 x+54}}$. \hfill Answer. $x=3.$ \item $y = (4 x+6)\cdot \sqrt{x^2-4 x+3}$, \quad $y'=\dfrac{2 x (4 x-9)}{\sqrt{x^2-4 x+3}}$. \hfill Answer. $x=0.$ \item $y = (4 x+7)\cdot \sqrt{x^2-8 x+7}$, \quad $y'=\dfrac{x (8 x-41)}{\sqrt{x^2-8 x+7}}$. \hfill Answer. $x=0.$ \item $y = (4 x+7)\cdot \sqrt{x^2-12 x+35}$, \quad $y'=\dfrac{8 x^2-65 x+98}{\sqrt{x^2-12 x+35}}$. \hfill Answer. $x=2.$ \item $y = (4 x+8)\cdot \sqrt{x^2-10 x+21}$, \quad $y'=\dfrac{8 x^2-52 x+44}{\sqrt{x^2-10 x+21}}$. \hfill Answer. $x=1.$ \item $y = (4 x+8)\cdot \sqrt{x^2-13 x+40}$, \quad $y'=\dfrac{2 \left(4 x^2-35 x+54\right)}{\sqrt{x^2-13 x+40}}$. \hfill Answer. $x=2.$ \item $y = (5 x-5)\cdot \sqrt{x^2-16 x+60}$, \quad $y'=\dfrac{5 \left(2 x^2-25 x+68\right)}{\sqrt{x^2-16 x+60}}$. \hfill Answer. $x=4.$ \item $y = (5 x-3)\cdot \sqrt{x^2+7 x+10}$, \quad $y'=\dfrac{20 x^2+99 x+79}{2 \sqrt{x^2+7 x+10}}$. \hfill Answer. $x=-1.$ \item $y = (5 x-3)\cdot \sqrt{x^2-11 x+30}$, \quad $y'=\dfrac{20 x^2-171 x+333}{2 \sqrt{x^2-11 x+30}}$. \hfill Answer. $x=3.$ \item $y = (5 x-2)\cdot \sqrt{x^2+9 x+20}$, \quad $y'=\dfrac{20 x^2+131 x+182}{2 \sqrt{x^2+9 x+20}}$. \hfill Answer. $x=-2.$ \item $y = (5 x-2)\cdot \sqrt{x^2-9 x+18}$, \quad $y'=\dfrac{20 x^2-139 x+198}{2 \sqrt{x^2-9 x+18}}$. \hfill Answer. $x=2.$ \item $y = (5 x+2)\cdot \sqrt{x^2-9 x+20}$, \quad $y'=\dfrac{20 x^2-131 x+182}{2 \sqrt{x^2-9 x+20}}$. \hfill Answer. $x=2.$ \item $y = (5 x+3)\cdot \sqrt{x^2-7 x+10}$, \quad $y'=\dfrac{20 x^2-99 x+79}{2 \sqrt{x^2-7 x+10}}$. \hfill Answer. $x=1.$ \item $y = (5 x+4)\cdot \sqrt{x^2-12 x+20}$, \quad $y'=\dfrac{2 \left(5 x^2-43 x+38\right)}{\sqrt{x^2-12 x+20}}$. \hfill Answer. $x=1.$ \item $y = (5 x+4)\cdot \sqrt{x^2-18 x+80}$, \quad $y'=\dfrac{10 x^2-131 x+364}{\sqrt{x^2-18 x+80}}$. \hfill Answer. $x=4.$ \item $y = (5 x+5)\cdot \sqrt{x^2-12 x+32}$, \quad $y'=\dfrac{5 \left(2 x^2-17 x+26\right)}{\sqrt{x^2-12 x+32}}$. \hfill Answer. $x=2.$ \item $y = (5 x+5)\cdot \sqrt{x^2-15 x+54}$, \quad $y'=\dfrac{5 \left(4 x^2-43 x+93\right)}{2 \sqrt{x^2-15 x+54}}$. \hfill Answer. $x=3.$ \item $y = (5 x+6)\cdot \sqrt{x^2-14 x+40}$, \quad $y'=\dfrac{10 x^2-99 x+158}{\sqrt{x^2-14 x+40}}$. \hfill Answer. $x=2.$ \item $y = (5 x+6)\cdot \sqrt{x^2-16 x+60}$, \quad $y'=\dfrac{2 \left(5 x^2-57 x+126\right)}{\sqrt{x^2-16 x+60}}$. \hfill Answer. $x=3.$ \item $y = (5 x+7)\cdot \sqrt{x^2-7 x+12}$, \quad $y'=\dfrac{20 x^2-91 x+71}{2 \sqrt{x^2-7 x+12}}$. \hfill Answer. $x=1.$ \item $y = (5 x+8)\cdot \sqrt{x^2-5 x+4}$, \quad $y'=\dfrac{x (20 x-59)}{2 \sqrt{x^2-5 x+4}}$. \hfill Answer. $x=0.$ \item $y = (5 x+9)\cdot \sqrt{x^2-10 x+9}$, \quad $y'=\dfrac{2 x (5 x-33)}{\sqrt{x^2-10 x+9}}$. \hfill Answer. $x=0.$ \item $y = (5 x+9)\cdot \sqrt{x^2-16 x+63}$, \quad $y'=\dfrac{10 x^2-111 x+243}{\sqrt{x^2-16 x+63}}$. \hfill Answer. $x=3.$ \item $y = (5 x+10)\cdot \sqrt{x^2-10 x+21}$, \quad $y'=\dfrac{5 \left(2 x^2-13 x+11\right)}{\sqrt{x^2-10 x+21}}$. \hfill Answer. $x=1.$ \item $y = (5 x+10)\cdot \sqrt{x^2-13 x+40}$, \quad $y'=\dfrac{5 \left(4 x^2-35 x+54\right)}{2 \sqrt{x^2-13 x+40}}$. \hfill Answer. $x=2.$ \item $y = (6 x-4)\cdot \sqrt{x^2-7 x+12}$, \quad $y'=\dfrac{12 x^2-67 x+86}{\sqrt{x^2-7 x+12}}$. \hfill Answer. $x=2.$ \item $y = (6 x-3)\cdot \sqrt{x^2+6 x+8}$, \quad $y'=\dfrac{3 \left(4 x^2+17 x+13\right)}{\sqrt{x^2+6 x+8}}$. \hfill Answer. $x=-1.$ \item $y = (6 x-3)\cdot \sqrt{x^2-8 x+15}$, \quad $y'=\dfrac{3 \left(4 x^2-25 x+34\right)}{\sqrt{x^2-8 x+15}}$. \hfill Answer. $x=2.$ \item $y = (6 x-2)\cdot \sqrt{x^2+5 x+6}$, \quad $y'=\dfrac{12 x^2+43 x+31}{\sqrt{x^2+5 x+6}}$. \hfill Answer. $x=-1.$ \item $y = (6 x-2)\cdot \sqrt{x^2-10 x+21}$, \quad $y'=\dfrac{4 \left(3 x^2-23 x+34\right)}{\sqrt{x^2-10 x+21}}$. \hfill Answer. $x=2.$ \item $y = (6 x-2)\cdot \sqrt{x^2-12 x+35}$, \quad $y'=\dfrac{2 \left(6 x^2-55 x+111\right)}{\sqrt{x^2-12 x+35}}$. \hfill Answer. $x=3.$ \item $y = (6 x+2)\cdot \sqrt{x^2-5 x+6}$, \quad $y'=\dfrac{12 x^2-43 x+31}{\sqrt{x^2-5 x+6}}$. \hfill Answer. $x=1.$ \item $y = (6 x+3)\cdot \sqrt{x^2+8 x+15}$, \quad $y'=\dfrac{3 \left(4 x^2+25 x+34\right)}{\sqrt{x^2+8 x+15}}$. \hfill Answer. $x=-2.$ \item $y = (6 x+3)\cdot \sqrt{x^2-6 x+8}$, \quad $y'=\dfrac{3 \left(4 x^2-17 x+13\right)}{\sqrt{x^2-6 x+8}}$. \hfill Answer. $x=1.$ \item $y = (6 x+4)\cdot \sqrt{x^2+7 x+12}$, \quad $y'=\dfrac{12 x^2+67 x+86}{\sqrt{x^2+7 x+12}}$. \hfill Answer. $x=-2.$ \item $y = (6 x+4)\cdot \sqrt{x^2-8 x+12}$, \quad $y'=\dfrac{4 \left(3 x^2-17 x+14\right)}{\sqrt{x^2-8 x+12}}$. \hfill Answer. $x=1.$ \item $y = (6 x+4)\cdot \sqrt{x^2-10 x+24}$, \quad $y'=\dfrac{2 \left(6 x^2-43 x+62\right)}{\sqrt{x^2-10 x+24}}$. \hfill Answer. $x=2.$ \item $y = (6 x+6)\cdot \sqrt{x^2-12 x+32}$, \quad $y'=\dfrac{6 \left(2 x^2-17 x+26\right)}{\sqrt{x^2-12 x+32}}$. \hfill Answer. $x=2.$ \item $y = (6 x+6)\cdot \sqrt{x^2-15 x+54}$, \quad $y'=\dfrac{3 \left(4 x^2-43 x+93\right)}{\sqrt{x^2-15 x+54}}$. \hfill Answer. $x=3.$ \item $y = (6 x+8)\cdot \sqrt{x^2-3 x+2}$, \quad $y'=\dfrac{x (12 x-19)}{\sqrt{x^2-3 x+2}}$. \hfill Answer. $x=0.$ \item $y = (6 x+9)\cdot \sqrt{x^2-4 x+3}$, \quad $y'=\dfrac{3 x (4 x-9)}{\sqrt{x^2-4 x+3}}$. \hfill Answer. $x=0.$ \item $y = (6 x+10)\cdot \sqrt{x^2+9 x+20}$, \quad $y'=\dfrac{12 x^2+91 x+165}{\sqrt{x^2+9 x+20}}$. \hfill Answer. $x=-3.$ \item $y = (6 x+10)\cdot \sqrt{x^2-6 x+5}$, \quad $y'=\dfrac{4 x (3 x-11)}{\sqrt{x^2-6 x+5}}$. \hfill Answer. $x=0.$ \item $y = (6 x+10)\cdot \sqrt{x^2-8 x+15}$, \quad $y'=\dfrac{2 \left(6 x^2-31 x+25\right)}{\sqrt{x^2-8 x+15}}$. \hfill Answer. $x=1.$ \item $y = (7 x-4)\cdot \sqrt{x^2-15 x+56}$, \quad $y'=\dfrac{28 x^2-323 x+844}{2 \sqrt{x^2-15 x+56}}$. \hfill Answer. $x=4.$ \item $y = (7 x-2)\cdot \sqrt{x^2-11 x+24}$, \quad $y'=\dfrac{28 x^2-235 x+358}{2 \sqrt{x^2-11 x+24}}$. \hfill Answer. $x=2.$ \item $y = (7 x-1)\cdot \sqrt{x^2-13 x+40}$, \quad $y'=\dfrac{28 x^2-275 x+573}{2 \sqrt{x^2-13 x+40}}$. \hfill Answer. $x=3.$ \item $y = (7 x+3)\cdot \sqrt{x^2-13 x+42}$, \quad $y'=\dfrac{28 x^2-267 x+549}{2 \sqrt{x^2-13 x+42}}$. \hfill Answer. $x=3.$ \item $y = (7 x+5)\cdot \sqrt{x^2-9 x+14}$, \quad $y'=\dfrac{28 x^2-179 x+151}{2 \sqrt{x^2-9 x+14}}$. \hfill Answer. $x=1.$ \item $y = (7 x+6)\cdot \sqrt{x^2-11 x+28}$, \quad $y'=\dfrac{28 x^2-219 x+326}{2 \sqrt{x^2-11 x+28}}$. \hfill Answer. $x=2.$ \item $y = (7 x+7)\cdot \sqrt{x^2-12 x+32}$, \quad $y'=\dfrac{7 \left(2 x^2-17 x+26\right)}{\sqrt{x^2-12 x+32}}$. \hfill Answer. $x=2.$ \item $y = (7 x+7)\cdot \sqrt{x^2-15 x+54}$, \quad $y'=\dfrac{7 \left(4 x^2-43 x+93\right)}{2 \sqrt{x^2-15 x+54}}$. \hfill Answer. $x=3.$ \item $y = (7 x+10)\cdot \sqrt{x^2-11 x+30}$, \quad $y'=\dfrac{28 x^2-211 x+310}{2 \sqrt{x^2-11 x+30}}$. \hfill Answer. $x=2.$ \item $y = (8 x-4)\cdot \sqrt{x^2+6 x+8}$, \quad $y'=\dfrac{4 \left(4 x^2+17 x+13\right)}{\sqrt{x^2+6 x+8}}$. \hfill Answer. $x=-1.$ \item $y = (8 x-4)\cdot \sqrt{x^2-8 x+15}$, \quad $y'=\dfrac{4 \left(4 x^2-25 x+34\right)}{\sqrt{x^2-8 x+15}}$. \hfill Answer. $x=2.$ \item $y = (8 x-2)\cdot \sqrt{x^2-12 x+27}$, \quad $y'=\dfrac{2 \left(8 x^2-73 x+114\right)}{\sqrt{x^2-12 x+27}}$. \hfill Answer. $x=2.$ \item $y = (8 x-2)\cdot \sqrt{x^2-16 x+63}$, \quad $y'=\dfrac{2 \left(8 x^2-97 x+260\right)}{\sqrt{x^2-16 x+63}}$. \hfill Answer. $x=4.$ \item $y = (8 x+4)\cdot \sqrt{x^2+8 x+15}$, \quad $y'=\dfrac{4 \left(4 x^2+25 x+34\right)}{\sqrt{x^2+8 x+15}}$. \hfill Answer. $x=-2.$ \item $y = (8 x+4)\cdot \sqrt{x^2-6 x+8}$, \quad $y'=\dfrac{4 \left(4 x^2-17 x+13\right)}{\sqrt{x^2-6 x+8}}$. \hfill Answer. $x=1.$ \item $y = (8 x+6)\cdot \sqrt{x^2-10 x+16}$, \quad $y'=\dfrac{2 \left(8 x^2-57 x+49\right)}{\sqrt{x^2-10 x+16}}$. \hfill Answer. $x=1.$ \item $y = (8 x+6)\cdot \sqrt{x^2-14 x+48}$, \quad $y'=\dfrac{2 \left(8 x^2-81 x+171\right)}{\sqrt{x^2-14 x+48}}$. \hfill Answer. $x=3.$ \item $y = (8 x+8)\cdot \sqrt{x^2-12 x+32}$, \quad $y'=\dfrac{8 \left(2 x^2-17 x+26\right)}{\sqrt{x^2-12 x+32}}$. \hfill Answer. $x=2.$ \item $y = (8 x+8)\cdot \sqrt{x^2-15 x+54}$, \quad $y'=\dfrac{4 \left(4 x^2-43 x+93\right)}{\sqrt{x^2-15 x+54}}$. \hfill Answer. $x=3.$ \item $y = (9 x-5)\cdot \sqrt{x^2-19 x+90}$, \quad $y'=\dfrac{36 x^2-523 x+1715}{2 \sqrt{x^2-19 x+90}}$. \hfill Answer. $x=5.$ \item $y = (9 x-3)\cdot \sqrt{x^2+5 x+6}$, \quad $y'=\dfrac{3 \left(12 x^2+43 x+31\right)}{2 \sqrt{x^2+5 x+6}}$. \hfill Answer. $x=-1.$ \item $y = (9 x-3)\cdot \sqrt{x^2-10 x+21}$, \quad $y'=\dfrac{6 \left(3 x^2-23 x+34\right)}{\sqrt{x^2-10 x+21}}$. \hfill Answer. $x=2.$ \item $y = (9 x-3)\cdot \sqrt{x^2-12 x+35}$, \quad $y'=\dfrac{3 \left(6 x^2-55 x+111\right)}{\sqrt{x^2-12 x+35}}$. \hfill Answer. $x=3.$ \item $y = (9 x-2)\cdot \sqrt{x^2-13 x+30}$, \quad $y'=\dfrac{36 x^2-355 x+566}{2 \sqrt{x^2-13 x+30}}$. \hfill Answer. $x=2.$ \item $y = (9 x+1)\cdot \sqrt{x^2-15 x+50}$, \quad $y'=\dfrac{36 x^2-403 x+885}{2 \sqrt{x^2-15 x+50}}$. \hfill Answer. $x=3.$ \item $y = (9 x+3)\cdot \sqrt{x^2-5 x+6}$, \quad $y'=\dfrac{3 \left(12 x^2-43 x+31\right)}{2 \sqrt{x^2-5 x+6}}$. \hfill Answer. $x=1.$ \item $y = (9 x+4)\cdot \sqrt{x^2-17 x+72}$, \quad $y'=\dfrac{36 x^2-451 x+1228}{2 \sqrt{x^2-17 x+72}}$. \hfill Answer. $x=4.$ \item $y = (9 x+6)\cdot \sqrt{x^2+7 x+12}$, \quad $y'=\dfrac{3 \left(12 x^2+67 x+86\right)}{2 \sqrt{x^2+7 x+12}}$. \hfill Answer. $x=-2.$ \item $y = (9 x+6)\cdot \sqrt{x^2-8 x+12}$, \quad $y'=\dfrac{6 \left(3 x^2-17 x+14\right)}{\sqrt{x^2-8 x+12}}$. \hfill Answer. $x=1.$ \item $y = (9 x+6)\cdot \sqrt{x^2-10 x+24}$, \quad $y'=\dfrac{3 \left(6 x^2-43 x+62\right)}{\sqrt{x^2-10 x+24}}$. \hfill Answer. $x=2.$ \item $y = (9 x+7)\cdot \sqrt{x^2-11 x+18}$, \quad $y'=\dfrac{36 x^2-283 x+247}{2 \sqrt{x^2-11 x+18}}$. \hfill Answer. $x=1.$ \item $y = (9 x+9)\cdot \sqrt{x^2-12 x+32}$, \quad $y'=\dfrac{9 \left(2 x^2-17 x+26\right)}{\sqrt{x^2-12 x+32}}$. \hfill Answer. $x=2.$ \item $y = (9 x+9)\cdot \sqrt{x^2-15 x+54}$, \quad $y'=\dfrac{9 \left(4 x^2-43 x+93\right)}{2 \sqrt{x^2-15 x+54}}$. \hfill Answer. $x=3.$ \item $y = (9 x+10)\cdot \sqrt{x^2-13 x+36}$, \quad $y'=\dfrac{36 x^2-331 x+518}{2 \sqrt{x^2-13 x+36}}$. \hfill Answer. $x=2.$ \item $y = (10 x-5)\cdot \sqrt{x^2+6 x+8}$, \quad $y'=\dfrac{5 \left(4 x^2+17 x+13\right)}{\sqrt{x^2+6 x+8}}$. \hfill Answer. $x=-1.$ \item $y = (10 x-5)\cdot \sqrt{x^2-8 x+15}$, \quad $y'=\dfrac{5 \left(4 x^2-25 x+34\right)}{\sqrt{x^2-8 x+15}}$. \hfill Answer. $x=2.$ \item $y = (10 x-4)\cdot \sqrt{x^2+9 x+20}$, \quad $y'=\dfrac{20 x^2+131 x+182}{\sqrt{x^2+9 x+20}}$. \hfill Answer. $x=-2.$ \item $y = (10 x-4)\cdot \sqrt{x^2-9 x+18}$, \quad $y'=\dfrac{20 x^2-139 x+198}{\sqrt{x^2-9 x+18}}$. \hfill Answer. $x=2.$ \item $y = (10 x+4)\cdot \sqrt{x^2-9 x+20}$, \quad $y'=\dfrac{20 x^2-131 x+182}{\sqrt{x^2-9 x+20}}$. \hfill Answer. $x=2.$ \item $y = (10 x+5)\cdot \sqrt{x^2+8 x+15}$, \quad $y'=\dfrac{5 \left(4 x^2+25 x+34\right)}{\sqrt{x^2+8 x+15}}$. \hfill Answer. $x=-2.$ \item $y = (10 x+5)\cdot \sqrt{x^2-6 x+8}$, \quad $y'=\dfrac{5 \left(4 x^2-17 x+13\right)}{\sqrt{x^2-6 x+8}}$. \hfill Answer. $x=1.$ \item $y = (10 x+6)\cdot \sqrt{x^2-7 x+10}$, \quad $y'=\dfrac{20 x^2-99 x+79}{\sqrt{x^2-7 x+10}}$. \hfill Answer. $x=1.$ \item $y = (10 x+8)\cdot \sqrt{x^2-12 x+20}$, \quad $y'=\dfrac{4 \left(5 x^2-43 x+38\right)}{\sqrt{x^2-12 x+20}}$. \hfill Answer. $x=1.$ \item $y = (10 x+8)\cdot \sqrt{x^2-18 x+80}$, \quad $y'=\dfrac{20 x^2-262 x+728}{\sqrt{x^2-18 x+80}}$. \hfill Answer. $x=4.$ \item $y = (10 x+10)\cdot \sqrt{x^2-12 x+32}$, \quad $y'=\dfrac{10 \left(2 x^2-17 x+26\right)}{\sqrt{x^2-12 x+32}}$. \hfill Answer. $x=2.$ \item $y = (10 x+10)\cdot \sqrt{x^2-15 x+54}$, \quad $y'=\dfrac{5 \left(4 x^2-43 x+93\right)}{\sqrt{x^2-15 x+54}}$. \hfill Answer. $x=3.$
\end{enumerate}
\end{document}
Now I want to align derivative. I tried
\documentclass{article}
\usepackage{amsmath}
\usepackage{longtable}
\usepackage{booktabs}
\begin{document}
\begin{longtable}{p{0.5cm}p{5cm}p{5cm}p{3cm}}
\toprule
Oder& The function & Derivative of the function & Solution of Derivative \\
\midrule
1&$y = (10 x+10)\cdot \sqrt{x^2-15 x+54}$ & $y'=\dfrac{5 \left(4 x^2-43 x+93\right)}{\sqrt{x^2-15 x+54}}$. & $x=3.$ \\
2&$y = (10 x+10)\cdot \sqrt{x^2-15 x+54}$ & $y'=\dfrac{5 \left(4 x^2-43 x+93\right)}{\sqrt{x^2-15 x+54}}$. & $x=3.$ \\
3& $y = (10 x+10)\cdot \sqrt{x^2-15 x+54}$ & $y'=\dfrac{5 \left(4 x^2-43 x+93\right)}{\sqrt{x^2-15 x+54}}$. & $x=3.$ \\
4& $y = (10 x+8)\cdot \sqrt{x^2-18 x+80}$. & $y'=\dfrac{20 x^2-262 x+728}{\sqrt{x^2-18 x+80}}$& $x=4.$\\
\bottomrule
\end{longtable}
\end{document}
How can I align this enumerate?
{p{0.5cm}p{5cm}p{5cm}p{3cm}}
is wider than the page so you need narrower columns. (it's easier to specify the width inpt
rather thancm
as then when tex reports how wide the table is you can easily adjust. You have to make the table 87pt (2cm or so) less wide as TeX warns:Overfull \hbox (87.11218pt too wide) in alignment at lines 6--16