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23h
revised Integral $\int \frac{1}{(4x^2-8x+3)^{1/2}}$
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23h
revised Solve $\int_0^\infty \frac{\ln x}{x^2+4} \,\mathrm{d}x$
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1d
revised convergence of $\sum_{n=1}^\infty\frac{1}{n} [1+\frac{1}{\sqrt{2}}+…+\frac{1}{\sqrt{n}}]$
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1d
revised How to get to $5^3 \geq n^3$ in the proof by contradiction?
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1d
revised Sum $(1-x)^n$ $\sum_{r=1}^n$ $r$ $n\choose r$ $(\frac{x}{1-x})^r$
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1d
revised Integral $\int\frac{(\ln x)^{10}}{x}\,dx$
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1d
revised Integral $\int_0^\infty e^{-x/2}x\log(1+kx^2)\,dx$
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1d
revised Integral $\int_{0}^{\infty}\frac1{\sqrt[\alpha]{1+x^\beta}}dx$
added 1 character in body
1d
revised Expansion of function in polar coordinates
deleted 1 character in body
1d
revised Integral: $\int \frac{dx}{\sqrt{x^{2}-x+1}}$
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2d
revised Convergence of $\sum_{k=1}^\infty k\sin\frac1k$
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2d
revised Let $p^3+q^3=4$ and $pq=2/3$ . Find $p+q$.
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2d
revised How to compute $\sum\limits_{a=1}^{\infty}\int_0^b\lambda\left(\int_0^{\lambda}e^{-t}t^{a-1}dt\right)d\lambda$
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Jan
26
revised Why $(10^ab+c)^{4d+1}-c \mid 10$?
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Jan
26
revised Integral $\int_\tau^\infty e^{\frac{-g_m}{\bar\gamma_m}}\frac{dg_m}{1+Pg_m}$
deleted 64 characters in body; edited title
Jan
26
revised Integral $\int_0^\infty \frac{e^{-cy} dy }{1+ay}$
deleted 40 characters in body; edited title
Jan
26
revised show that $e=(\frac{2}{1})^{\frac{1}{1}}(\frac{4}{3})^{\frac{1}{2}}(\frac{6\cdot8}{5\cdot7})^{\frac{1}{4}}…$
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Jan
25
revised how to evaluate the integral $ \int_0^{2\pi} \frac{\sin{nx}\cos{nx}}{\sin{x}}dx$?
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Jan
25
revised convergence of $(1+\frac{1}{2})(1+\frac{1}{4})\ldots(1+\frac{1}{2^n})$
edited tags; edited title
Jan
25
revised Simplify the sum $ \sum_{k=1}^{\infty} (\frac{1}{2})^kk $
customary index is k not x