sos440

13,680 reputation

22658

bio	website	sos440.tistory.com
	location	Seoul, South Korea
	age	25
visits	member for	2 years, 1 month
	seen	14 mins ago
stats	profile views	1,929

I love mathematics, and especially, calculating some sort of integrals and summations with inner aesthetic appealing.

Language fluency:

Korean: Native
English: (Reading: Green / Listening : Amber / Speaking : Red / Writing : Amber)
Japanese: (Reading : Amber / Listening : Amber / Speaking : Amber / Writing : Red)

	13,680 reputation	bio	website	sos440.tistory.com	visits	member for	2 years, 1 month
22658 badges		location	Seoul, South Korea		seen	14 mins ago

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13,680 Reputation

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100

yesterday

+50	17:28	5 events	$\int_0^{\infty}\frac{x^3}{(x^4+1)(e^x-1)}\mathrm dx$
+40	13:54	4 events	Integral of a rational function: Proof of $\sqrt{C}\,\int_{0}^{+\infty }{{{y^2}\over{y^2\,C+y^4-2\,y^2+1}}\;\mathrm dy}= {{\pi}\over{2}}$?
+10	13:50	upvote	How to show that $\int_0^1 \left(\sqrt[3]{1-x^7} - \sqrt[7]{1-x^3}\right)\;dx = 0$

107

2 days ago

+60	21:19	6 events	$\int_0^{\infty}\frac{x^3}{(x^4+1)(e^x-1)}\mathrm dx$
+30	10:52	6 events	Zeros of a cubic polynomial with rational coefficients
+10	06:56	upvote	Closed form of integral.
+5	13:59	upvote	References to integrals of the form $\int_{0}^{1} \left( \frac{1}{\log x}+\frac{1}{1-x} \right)^{m} \, dx$
+2	10:40	accept	Zeros of a cubic polynomial with rational coefficients

May 15

+20

11:27

2 events

Closed form of integral.

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