Anjan Debnath
Reputation
1,157
Next privilege 2,000 Rep.
Edit questions and answers
2 13
Impact
~9k people reached

• 0 helpful flags
• 187 votes cast

# 1,157 Reputation

2 Apr 18
 +2 12:27 accept Is my proof that $\frac{\pi}{4}=\sum\limits_{n\geq 0}(-1)^n \frac{1}{2n+1}$ correct?
42 Apr 17
 +15 20:11 3 events Is my proof that $\frac{\pi}{4}=\sum\limits_{n\geq 0}(-1)^n \frac{1}{2n+1}$ correct? +15 16:06 accept Power Series representation of $\frac{x^3}{(3x+4)^2}$ +10 10:19 2 events How to evaluate $\sum\limits_{n=1}^\infty (-1)^{n-1} \ln (1+\frac1n)$ +2 11:11 accept How to evaluate $\sum\limits_{n=1}^\infty (-1)^{n-1} \ln (1+\frac1n)$
2 Apr 16
 +2 06:11 edit Prove that $1-\frac{1}{1+\frac{\alpha}{nm}}\leq \sqrt{1-\frac{1}{1+\frac{\alpha}{n}}}\sqrt{1-\frac{1}{1+\frac{\alpha}{m}}}$.
5 Apr 10
2 Apr 8
2 Mar 20
7 Mar 2
2 Feb 24
2 Feb 23
5 Feb 18
20 Feb 12
2 Feb 10
67 Feb 9
50 Feb 7
12 Feb 6
5 Jan 18
10 Jan 14
4 Jan 12
5 Jan 7
84 Jan 6
7 Jan 5
4 Jan 2
2 Dec 9 '14
5 Dec 6 '14
20 Dec 5 '14
2 Dec 3 '14
15 Nov 19 '14
-5 Nov 16 '14
2 Nov 7 '14
17 Nov 6 '14