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Jul
10
awarded  Nice Question
Jul
2
awarded  Curious
Jul
2
awarded  Inquisitive
May
14
awarded  Popular Question
Apr
16
reviewed Reject suggested edit on Calculate $\int_0^1 \frac{\ln(1-x+x^2)}{x-x^2}dx$
Apr
12
reviewed Approve suggested edit on Finding the radius of a sphere touching other spheres inscribed in n-dimensional spaces
Apr
11
reviewed Approve suggested edit on 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 suggested edit on Maximal multiplicative set and minimal prime ideal
Mar
30
reviewed Reject suggested edit on Evaluate the limit
Mar
30
revised Integration $\int_{-i\infty}^{i\infty}{\frac{a^{z+1}}{z+1}}\operatorname d\!z$
edited title
Mar
23
revised Series using comparison test
deleted 1 characters in body
Mar
23
revised Evaluate limit $\lim_{n \to \infty } {1 \over n^{k + 1}}\left( {k! + {(k + 1)! \over 1!} + \cdots + {(k + n)! \over n!}} \right),k \in \mathbb{N}$
edited title
Mar
23
revised Integrate $\int \frac{25 - x^2}{x^4} \operatorname d\!x$
added 52 characters in body; edited title
Mar
22
reviewed Approve suggested edit on one bounded and one 0 is 0
Mar
22
revised Evaluating $\int \frac{\operatorname d \! x}{\sin^4{x}+\cos^4{x}+\sin^2{x}\cos^2{x}}$
edited title