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visits member for 1 year, 11 months
seen Mar 12 '13 at 0:22

Sep
22
awarded  Favorite Question
Aug
2
awarded  Nice Question
Jul
22
awarded  Popular Question
Jul
2
awarded  Curious
Apr
19
awarded  Good Question
Mar
28
awarded  Popular Question
Mar
27
awarded  Nice Question
Dec
27
awarded  Yearling
Jul
3
awarded  Nice Question
Mar
10
awarded  Nice Question
Mar
4
accepted Need some hint or technique for this integral
Mar
3
comment Need some hint or technique for this integral
Thank you Sasha! Is there special meaning for the downarrow?
Mar
3
accepted A integral from “irresistible integrals”
Mar
2
asked Need some hint or technique for this integral
Mar
2
accepted A series involves harmonic number
Feb
28
awarded  Nice Question
Feb
26
comment A series involves harmonic number
@WillJagy, Because I was doing a integral, the last part is this tough series :(
Feb
26
asked A series involves harmonic number
Feb
21
asked Show $\sum_{n=1}^{\infty}\frac{\sinh\pi}{\cosh(2n\pi)-\cosh\pi}=\frac1{\text{e}^{\pi}-1}$ and another
Feb
19
accepted A tough series: $\sum_{k=1}^{\infty}\frac{\zeta(2k)}{(k+1)(2k+1)}$, need help