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1d
revised Series expansion of $\frac{1}{(1+x)(1−x)(1+x^2)(1−x^2)(1+x^3)(1−x^3)\cdots}$?
added 15 characters in body; edited title
1d
revised How to write $1-x-x^3+x^4+x^5+x^6-x^7 \cdots$ as a power series representation
edited title
Dec
18
revised Integral $\int \sqrt{4+4x^2+1/x^2} dx$
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Dec
18
revised Integration $\int_{-1}^1 \sqrt{\frac{r^2-x^2}{1-x^2}}dx$
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Dec
18
revised Integral $\int_{0}^{1}(\sqrt{2-x^2}-\sqrt{2x-x^2})dx$
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Dec
18
revised Integral $\int_{1}^{2011} \frac{\sqrt{x}}{\sqrt{2012 - x} + \sqrt{x}}dx$
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Dec
18
revised Integrate $\int \csc^6(2x)\, dx$
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Nov
12
revised Double integral with polar?
deleted 3 characters in body
Nov
12
revised Double integral with polar?
deleted 3 characters in body
Nov
12
revised Double integral with polar?
deleted 88 characters in body
Nov
12
revised Double integral with polar?
added 50 characters in body
Nov
10
revised limit $\lim_{n\rightarrow \infty}\left(\int_0^1f^n(x)dx\right)^{\frac{1}{n}}=M$
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Nov
8
revised Prove $\sum_{k=0}^{n-1}\frac{n(-1)^{n-k+1}}{n-k}{n-1 \choose k} = 1$
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Nov
6
revised limit $\lim_{x\rightarrow0+}(\cos x +|x|+x)^{\cot x}$
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Nov
6
revised Prove $\prod_{n=1}^{\infty} (1+\frac{(-1)^{n+1}}{2n-1})=\sqrt2$
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Nov
3
revised Is the value of $x^y$ becomes undefined as both tends to 0?
added 12 characters in body; edited title
Oct
24
revised properties on groups of order $p^2qr$
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Oct
23
revised $f\left(x + \frac1x\right)= x^3+x^{-3},$ find $f(x)$
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Oct
23
revised Evaluate $\int\sec^4(u) \operatorname d \!u$
added 9 characters in body; edited title
Oct
23
revised How to evaluate $\int_0^1\frac{\tanh ^{-1}(x)\log(x)}{(1-x) x (x+1)} \operatorname d \!x$?
added 13 characters in body; edited title