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Mathematics
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Kenny Lau

Studying Pure Mathematics in Imperial College as an undergraduate.

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  • Member for 2 years, 10 months
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  • Last seen 17 hours ago

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Top Posts (779) All Questions Answers | Votes Newest

64 l'Hôpital vs Other Methods Nov 1 '17
33 How to solve this algorithmic math olympiad problem? May 7 '16
21 What is the new probability density function by generating a random number by taking the reciprocal of a uniformly random number between 0 and 1? Apr 3 '16
21 Proof that the square of an odd number is of the form $8m+1$ for some integer $m$ Oct 1 '17
19 Let $A\in M_{n\times n}(\Bbb R)$ so that $I\notin span(A,A^2,…,A^n)$. Prove that $\det(A)=0$. Jun 24 '18
16 What is the definition of “canonical”? Jul 31 '18
15 Fake proof that $\frac{e^x-1}{e^x+1}=e^x$, via integrating $\operatorname{sech} x$ in two ways Jun 23 '16
13 Subtracting expressions with radicals Jun 25 '16
13 How to calculate $ \int_0^{\frac{ \pi }{2}} \frac{\sin^{1395}x}{\sin^{1395}x + \cos^{1395}x}\ dx $? May 6 '16
13 If $g:[0,1] \to \Bbb{R}$ such that $g(x)=g(y) \implies g'(x)=g'(y)$ for all $x,y \in (0,1)$, then $g$ is monotonic? Aug 2 '18
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