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Jan
21
revised Limit $\lim_{x\to0} \frac{\ln\left(x+\sqrt{1+x^2}\right)-x}{\tan^3(x)}$
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Jan
21
comment Evaluating the limit $\displaystyle \lim _{x\to \infty }\frac{(x^2+1)}{(x-1)}\sin(\frac{1}{x})$
And may you show us some work you tried
Jan
21
revised Proving $\frac{((2n)!)^2(i)!(j)!}{((n)!)^2(2i)!(2j)!}$ is an integer
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Jan
21
revised Limit $\lim_{x\to\infty}(x(\log(1+\sqrt{1+x^2}-\log(x)))$
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Jan
21
comment Inequality $(n!)^2\le \left[\frac{(n+1)(n+2)}{6}\right]^n$
@JohnSmith : voted to reopen, also add some of the work you have tried.
Jan
21
comment Inequality $(n!)^2\le \left[\frac{(n+1)(n+2)}{6}\right]^n$
Tried induction?
Jan
21
revised Inequality $(n!)^2\le \left[\frac{(n+1)(n+2)}{6}\right]^n$
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Jan
21
comment Compute $\int\frac{1-x}{(x-2)(x+3)}$ and $\int\frac{cos(3x)}{sin(3x)}$
One question per post
Jan
21
revised Is $ \left\lfloor \frac{n+3}{2} \right\rfloor = \left\lfloor \frac{n}{2} \right\rfloor +1$?
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Jan
21
revised Solving $35(1-e^{-10k})=20(1-e^{-20k})$
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Jan
20
revised Convergence of: $\sum_{n=1}^{\infty} \frac{2+(-1)^n}{2^n+(-1)^n} $
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Jan
20
comment What is a better comparision series for $\sum \frac {1}{F_n}$ than $\sum_0^\infty2^{-k}$?
@JonasMeyer : Yes, I need to rethink the question
Jan
20
comment What is a better comparision series for $\sum \frac {1}{F_n}$ than $\sum_0^\infty2^{-k}$?
@JonasMeyer : now I am. Thank you
Jan
20
revised Closed form for $ \prod_{k=1}^n (a+k^2) $
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Jan
20
comment What is a better comparision series for $\sum \frac {1}{F_n}$ than $\sum_0^\infty2^{-k}$?
@Did : modified the question
Jan
20
revised What is a better comparision series for $\sum \frac {1}{F_n}$ than $\sum_0^\infty2^{-k}$?
added 264 characters in body
Jan
20
revised What is a better comparision series for $\sum \frac {1}{F_n}$ than $\sum_0^\infty2^{-k}$?
edited title
Jan
20
revised Limit $\lim _{ \theta \to 0 }{ \frac { cos2\theta -cos\theta }{ \theta } } $
deleted 8 characters in body; edited title
Jan
20
revised What is a better comparision series for $\sum \frac {1}{F_n}$ than $\sum_0^\infty2^{-k}$?
edited title
Jan
20
revised What is a better comparision series for $\sum \frac {1}{F_n}$ than $\sum_0^\infty2^{-k}$?
edited title