Mathematics
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Brian Cheung
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All Questions Answers
Score Newest
answer
12
Why are an even number of flips required to get back to the original list?
Jun 25, 2016
answer
8
Solve for $x$ in $x^{2x+1}=x^4$
Nov 19, 2016
answer
8
Prove $A= \mathbb{R} $
Sep 5, 2015
answer
7
Prove that $\lim_{x\to \infty}\left(x-\ln\cosh x\right)=\ln 2$
Sep 26, 2015
answer
7
Fundamental Theorem of Calculus?
Jun 20, 2016
answer
5
find the minimum value of $\frac{a}{b}+\frac{b}{c}+\frac{c}{a}$
Nov 10, 2016
question
5
Prove that $\sum_{d|n}\phi(d)=n$ where $\phi$ is the Euler's phi function, $n,c\in\mathbb{N}$
Jul 25, 2015
question
4
Is there another simple way to solve this integral $I=\int\frac{\sin{x}}{\sin{x}+\cos{x}}dx$?
Jul 16, 2015
answer
4
Combinatorial Game
Jul 8, 2015
answer
4
Find limit of polynomial in detail
Aug 31, 2015

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