Mathematics
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Nosrati
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Tell the truth even if it is against you.

Most of classical musics are awesome.

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All Questions Answers
Score Newest
answer
24
Proof of this integration shortcut: $\int_a^b \frac{dx}{\sqrt{(x-a)(b-x)}}=\pi$
Jul 16, 2018
answer
16
Evaluating the integral $\int_0^{\infty} \frac{\sin(x)}{\sinh(x)}\,dx$
Nov 30, 2017
answer
14
Given $\sin(t) + \cos(t) = a$, derive an expression in '$a$' for $(\cos(t))^4 + (\sin(t))^4$
Sep 5, 2018
answer
13
How to find indicial equation
Oct 29, 2017
answer
12
Prove that $1 + \frac{2}{3!} + \frac{3}{5!} + \frac{4}{7!} + \dotsb = \frac{e}{2}$
Aug 26, 2018
answer
12
Two-variable limit of $\lim_{(x,y)\to(0,0)}\frac{\sin(x^4+y^4)}{x^2+y^2}$
Oct 8, 2017
answer
12
A specific improper integral
Jul 4, 2019
answer
12
Which R to use to indicate the real numbers?
Jan 7, 2017
answer
12
Is every open set the interior of a closed set?
Feb 5, 2017
answer
11
Find the remainder of $\frac{3^{11}-1}{2}$ divided by $9$
Feb 16, 2017
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Prove $f(z)=-\frac{\log(1-z)}{z}$ is convex in $\mathbb{D}$

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