codetalker

### Questions (54)

 26 Is being good at mathematic contests necessary to pursue a career in mathematics or physics? [closed] 17 How much time does a great mathematician take to solve an extreme problem? 15 Is indefinite integration largely a heuristic or it can be mechanical too? 14 Are properties of the imaginary unit assumed or proved? 13 Can this be considered a “rigorous” definition of a limit?

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 2 If $a$, $b$ and $n$ are positive integers such that $\frac{1}{a} + \frac{1}{b} = \frac{1}{n}$ then what is the total number of pair of $(a,b)$? 2 Convergence of $1 +\frac{1}{5}+\frac{1}{9} +\frac{1}{13}+\dots$ 2 Treating dy/dx as a symbol for the derivative as opposed to a fraction of the differentials dy and dx 2 How do I find the sum of a sequence whose common difference is in Arithmetic Progression? 2 How to solve $x^3 = x^{x^2-2x}$?

### Tags (53)

 5 sequences-and-series × 5 2 linear-algebra × 6 4 real-analysis × 9 2 derivatives × 5 4 calculus × 9 2 summation × 3 4 algebra-precalculus × 7 2 inequality × 2 4 convergence × 3 2 ordinary-differential-equations × 2