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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.
Sep
22
revised Integral $a\int_{-\infty }^{\infty } \frac{e^{\frac{x^2}{a^2+x^2}}}{a^2+x^2} \,\operatorname dx$
added 13 characters in body; edited title
Sep
22
revised Closed form for $\int_1^\infty\frac{\operatorname dx}{\operatorname \Gamma(x)}$
added 14 characters in body; edited title
Sep
22
revised Integral $\int_0^\pi \frac{x\,\operatorname dx}{a^2\cos^2x+b^2\sin^2x}$
edited title
Sep
18
revised How do I solve $\lim_{x\to -\infty}(\sqrt{x^2 + x + 1} + x)$?
edited title
Sep
17
revised Limit $\lim_{{x\rightarrow 0}}{\left(\frac{\frac{1}{\sqrt{1+x}}-1}{x}\right)}$
edited title
Jul
10
awarded  Nice Question
Jul
2
awarded  Curious
Jul
2
awarded  Inquisitive
May
14
awarded  Popular Question
Apr
16
reviewed Reject Calculate $\int_0^1 \frac{\ln(1-x+x^2)}{x-x^2}dx$
Apr
12
reviewed Approve Finding the radius of a sphere touching other spheres inscribed in n-dimensional spaces
Apr
11
reviewed Approve If $2$ divides a number $a$, does $2^n$ divide $a$ ? $n$ is any integar
Apr
8
revised Integral $\int\sqrt{\sin2x}\operatorname d\!x$
added 16 characters in body; edited title
Apr
7
revised Is limits $\lim_{x\to\infty}{(x-2)^2\over2x+1}=\dfrac{1}{2}$?
edited title
Apr
5
revised Show that $\int_0^1 \! \frac{1+x^2}{1+x^4} \, \operatorname d \!x=1+\frac{1}{3}-\frac{1}{5}-\frac{1}{7}+\frac{1}{9}+\cdots$
added 12 characters in body; edited title
Apr
5
revised For what $n$ the set $\{\sin x, \cos x, (\sin x)^2, (\cos x)^2,…, (\sin x)^n, (\cos x)^n\}$ is linearly independent?
edited title
Apr
5
revised Solve $\frac{1}{1^z}+\frac{1}{3^z}+\frac{1}{5^z}+\cdots=\frac{1}{2^z}+\frac{1}{4^z}+\frac{1}{6^z}+\cdots$ for $z\in \mathbb C$
added 13 characters in body; edited title
Apr
5
reviewed Approve Maximal multiplicative set and minimal prime ideal
Mar
30
reviewed Reject Evaluate the limit