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Image of equation

I’m still a beginner to LaTeX, and I don’t know how to write this equation.

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Welcome to the site. We will appreciate the questions that have a minimal working example (code) that shows the efforts you have already put. Asking somebody to do things is frowned upon here. If you have no idea of how to start, you may put the following as a MWE

\documentclass{article}
\begin{document}
  %equation here
\end{document}

and ask for the equation code. Since this is your first question, here is the code for the equation you requested and this should get you started.

\documentclass{article}
\usepackage{mathtools}  %% gives more goodies for typing mathematics
\begin{document}
  \begin{equation}
    \hat{b}_k = \frac{2\tau - \Delta_k}{2\tau + \Delta_k}\hat{b}_{k-1} + \frac{\Delta_k}{2\tau + \Delta_k}(b_k + \hat{b}_{k-1})
  \end{equation}
\end{document}

enter image description here

  • thank you harish kumar from now if i want anything i will do my best then i will ask if i need help thank you again – osama May 17 '16 at 12:17
  • i tried to write this equation but appear there is a wrong – osama May 17 '16 at 13:43
  • \begin{equation} K = [\sqrt[3]{\fra{W_max}{\left (\beta /C)}} \end{equation} – osama May 17 '16 at 13:43
  • 1
    @osama: \begin{equation} K = \sqrt[3]{\frac{W_{\max}}{\left(\beta /C\right)}} \end{equation} Note \frac instead of \fra and \max instead of max. Also you need to balance \left( with \right) – user11232 May 17 '16 at 14:26
  • my friend can i send you my paper i need to submit it today i just need to help to add some images i tried many times but there still some wrongs i hope if i can chat with you private – osama May 23 '16 at 8:23

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