Mathematics
user111187's user avatar
user111187's user avatar
user111187's user avatar
user111187
  • Member for 9 years, 10 months
  • Last seen more than 3 years ago
Profile Activity
Stats
5,766
reputation
146k
reached
78
answers
38
questions
Communities
View all
About

Visit the Integrals and Series forum: http://integralsandseries.prophpbb.com/

Badges
View all badges
1
gold badge
15
silver badges
51
bronze badges
Top tags
View all tags
247
Score
69
Posts
59
Posts %
219
Score
55
Posts
47
Posts %
161
Score
38
Posts
33
Posts %
92
Score
14
Posts
12
Posts %
70
Score
18
Posts
16
Posts %
50
Score
12
Posts
10
Posts %
Top posts
View all questions and answers
All Questions Answers
Score Newest
question
24
Why is abstract algebra so important?
May 17, 2014
answer
21
Integral $I:=\int_0^1 \frac{\log^2 x}{x^2-x+1}\mathrm dx=\frac{10\pi^3}{81 \sqrt 3}$
May 21, 2014
question
20
Ways to prove $ \int_0^\pi \frac{\sin^2 nx}{\sin^2 x} dx= n\pi$
Nov 22, 2014
question
17
Do these integrals have a closed form? $I_1 = \int_{-\infty }^{\infty } \frac{\sin (x)}{x \cosh (x)} \, dx$
May 21, 2014
answer
16
Integral $\int_0^\infty \log^2 x\frac{1+x^2}{1+x^4}dx=\frac{3 \pi^3}{16\sqrt 2}$
May 12, 2014
question
15
Elegant proof of $\int_{-\infty}^{\infty} \frac{dx}{x^4 + a x^2 + b ^2} =\frac {\pi} {b \sqrt{2b+a}}$?
May 1, 2014
answer
15
Closed-form of $\int_0^{\pi/2}\frac{\sin^2x\arctan\left(\cos^2x\right)}{\sin^4x+\cos^4x}\,dx$
Dec 2, 2014
answer
14
How to prove $\int_0^1\frac{x^3\arctan x}{(3-x^2)^2}\frac{\mathrm dx}{\sqrt{1-x^2}}=\frac{\pi\sqrt{2}}{192}\left(18-\pi-6\sqrt{3}\,\right)$?
Jan 13, 2015
answer
13
Elegant proof of $\int_{-\infty}^{\infty} \frac{dx}{x^4 + a x^2 + b ^2} =\frac {\pi} {b \sqrt{2b+a}}$?
May 7, 2014
question
13
Ways to prove $ \int_0^1 \frac{\ln^2(1+x)}{x}dx = \frac{\zeta(3)}{4}$?
Jan 5, 2015
Top network posts
View all network posts
43
Why was the Death Star's shield generator on Endor?
15
Why do admissions committees consider the Statement of Purpose to be important?
10
Is it unusual to apply for a degree without finishing your current one?
8
Is there a refutation of the Muzio gambit?
5
Nontrivial critical exponents in exactly solvable models?

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.