Top network posts

• 25 Derive or differentiate?
• 17 Limit $\frac{x^2y}{x^4+y^2}$ is found using polar coordinates but it is not supposed to exist.
• 15 Among any three consecutive positive integers one is a multiple of 3
• 13 Is a regular tessellation $\{p,q\}$ always possible on some closed surface $S$?
• 12 Multiplicative inverse of $0$
• 11 Would this solution of the limit of the sequence be correct?
• 8 Is polar coordinates enough to prove that a limit exists
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