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Apr
8
revised Find the sum for $\sum_{n=1}^{\infty}(-1)^{(n+1)}\frac{2n+1}{3^n} $
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Apr
8
revised What is value of $\sum_{n=1}^{\infty}\frac{1}{(3n+1)^2}$?
added 5 characters in body; edited title
Apr
8
revised Area between $f(x)= \sqrt{16-x^2}$ and $g(x)= e^{x^2}-2$
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Apr
7
revised $\forall n \in \mathbb N \quad F_n \lt 2^{n-1}$ Using Induction
deleted 11 characters in body; edited title
Apr
6
revised $ \int_0^1 |f(x)-t| \, dx \le \frac{(1-t)^2+1}{2}$
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Apr
6
revised Differential Equation @ 2nd Order
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Apr
1
revised Power series for $\ln(1+x^2)$
Improved Latex, but the OP needs to hep as some context is not clear
Mar
30
revised Simplifying $\sqrt{5+2\sqrt{5+2\sqrt{5+2\sqrt {5 +\cdots}}}}$
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Mar
30
revised Simplifying $\sqrt{5+2\sqrt{5+2\sqrt{5+2\sqrt {5 +\cdots}}}}$
deleted 137 characters in body; edited title
Mar
30
revised $\lim_{n \rightarrow \infty}x_n= (-1)^nn$
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Mar
30
awarded  Tumbleweed
Mar
28
revised Solving $\sqrt{x}-2\sqrt[4]{x}-8 = 0$
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Mar
28
revised Showing that $\lim_{n\to\infty}\sum^n_{k=1}\frac{1}{k}-\ln(n)=0.5772\ldots$
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Mar
27
revised Evaluating $\int_0^{\infty } \frac{x^{\alpha}}{\left(A+x^3\right) \left(B+e^x\right)} \, \mathrm dx \quad \alpha = \frac{9}{2},3,\cdots $
added 16 characters in body; edited title
Mar
27
revised Sequence diverges $\iff$ limit inferior diverges
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Mar
27
revised $\sin n>0$, $a_n=1/n \, ,\sin n<0$, $a_n=-1/n \, , \sum_{n=1}^{\infty} a_n$ converge?
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Mar
27
revised Simplifying $\frac{4}{2x-7}-\frac{3}{(2x-7)^2}$
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Mar
27
revised $\int_{-\infty}^{\infty} e^{tx} \frac{1}{\pi(1+x^2)} \mathrm dx$
added 8 characters in body; edited title
Mar
27
revised Integral inequality: $\dfrac{1}{30}<\int_{2}^{\infty}\dfrac{\sqrt{s^3-s^2+3}}{s^5+s^2+1}ds<\dfrac{\sqrt{2}}{20}$
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Mar
27
revised $\sum_{x=0}^{\infty}\frac{(r+x+m-1)!}{(r+m-1)!x!}(1-p)^{x}$
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