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Oct
8
accepted Limit $\lim_{x\to\infty} \frac {a_nx^n+a_{n-1}x^{n-1}+\cdots+a_0}{{b_nx^n+b_{n-1}x^{n-1}+\cdots+b_0}}$
Sep
22
accepted $\lim_{x\to\infty}\sqrt [n] {p_n(x)}-\sqrt [m] {p_m(x})$ where $p_k(x)$ is polynomial of order k.
Mar
19
accepted Largest possible 2D combination not containing 2 common rectangles
Mar
17
accepted For which $\alpha$ does the series $\sum_{n = 1}^{\infty}\big(2^{n^{-\alpha}}\!\! - \!1\big)$ converge?
Dec
3
accepted Is $f(x)>g(x) \iff \frac {\operatorname d}{\operatorname d x }f(x)>\frac {\operatorname d}{\operatorname d x }g(x)$?
Nov
17
accepted What's the deal with integration?
Nov
12
accepted which one is larger $\sqrt[n]{x+\delta}-\sqrt[n]{x}$ or $\sqrt[n]{x}-\sqrt[n]{x-\delta}$?
Sep
30
accepted Sum $\sum_{k=1}^{n}a^k\sin(k \frac{2\pi}{l})$
Jul
31
accepted Are $\pi$ and $e$ algebraically independent?
Jul
27
accepted if terms of an alternating series approach 0 then that alternating series converges.
Jun
6
accepted $\sqrt 2$ is even?
May
21
accepted Why substitution method does not work for $\int (x-\frac{1}{2x} )^2\, \mathrm dx$?
May
17
accepted Strong characterization of $\mathbb C$ with respect to $\mathbb R$
May
12
accepted $2^n-3^m=1 , m,n \in \mathbb N =?$
May
9
accepted $\log_{2}{3} > \log_{3}{5}$?
Feb
26
accepted Super or subscript notation on the left hand side of a symbol?
Feb
24
accepted If $P(x)$ is a polynomial then $\lim_{x \to \infty }P(x) = 0 \iff P(x)=0$,
Feb
15
accepted Is there an Inverse Gamma $\Gamma^{-1} (z) $ function?
Jan
10
accepted Example of a question that would seem not to have enough information for an answer
Jan
6
accepted Is $\lim_{n \to \infty} x^n $ continuous on [0,1]?