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Jan
27
asked Multivariable taylor series expansion of $\exp(-(x^2+y^2))$
Jan
21
asked Eigenvectors of $\begin{pmatrix}6&2\\-10&-1\end{pmatrix}$ (linear equations with complex numbers)
Dec
13
asked ELI5: What are pointwise and uniform convergence and what is the difference?
Dec
9
answered Continuous function taking each of its values twice
Dec
9
answered Show $\sin(\frac{\pi}{3})=\frac{1}{2}\sqrt{3}$
Dec
7
asked Show that $\int_1^\infty \frac{\ln x}{\left(1+x^2\right)^\lambda}\mathrm dx$ is convergent only for $\lambda > \frac{1}{2}$
Dec
4
answered Convergence of $\sum_{n=1}^{\infty}f(n)$ $\iff $ convergence of $\int_1^{\infty}$f(x)dx
Nov
28
answered Give me hints for evaluating this limit
Nov
27
asked Throwing the dice - wrong interpretation still yields correct result
Nov
21
asked Reconstructing a function from its critical points and inflection points
Nov
17
answered proof of limit explanation
Nov
17
asked Show that $\exp(x)-1=\mathcal{O}(x)$ for $x\to 0$
Nov
10
asked Show that $\sqrt{x}$ is continuous using sequences
Nov
3
asked Is there a whole number $x\in\mathbb{Z}$ with $x\neq 0$ s.t. $\exp(x)$ is natural?
Nov
2
asked Prove that $x_{n+1}=\frac{x_n}{2}+\frac{1}{x_n}\geq\sqrt{2}$
Oct
1
asked Prove $\sum_{k=0}^n\binom{2n+1}{2k}=4^n$
Sep
30
answered Find a function $g(x,y)$ that satisfies the following conditions
Sep
23
asked Solving ODE $\dot{x}=\lambda x-b$
Mar
31
asked $\varepsilon$-$\delta$-definition for continuity of $x^n$
Mar
31
asked Sequence with an infinite amount of limit points