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Mathematics
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Villa
  • Member for 5 years, 10 months
  • Last seen more than a week ago
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9
Any idea how to find $\lim_{x\to 0} \frac{\sqrt{1-\cos(x^2)}}{1-\cos(x)}$?
Sep 26, 2018
6
Let $A = \left( \begin{smallmatrix} 1 & 0 \\ 1 & 1 \end{smallmatrix} \right)$ . Using elementary matrices, determine $A^n$ for any natural number $n$.
Sep 27, 2018
5
Complex numbers bijection when solving a series
Sep 29, 2018
5
Why the set of polynomials is not closed in $C[0,1]$
Nov 12, 2020
5
I don't understand the result of this: $\int e^x\cos(2x) \, dx$
Sep 22, 2018
4
How to prove that $S(n) = \sum_{k=1}^{n} (-1)^{n-k} k^n\binom{n+1}{n-k} = 1$?
Sep 13, 2020
3
Improper Integral using Laplace
Sep 13, 2018
3
How do I find $\sqrt[3]{-i}$?
Sep 3, 2018
3
How to bound the integral mean value theorem number
Sep 3, 2018
3
Evaluating $\iiint_R\left(1-\frac{x}{\sqrt{(x^2+y^2)}}\right)\,dx\,dy\,dz$ given the region $R$
Sep 13, 2018