Mathematics
Ivan Loh's user avatar
Ivan Loh's user avatar
Ivan Loh's user avatar
Ivan Loh
  • Member for 10 years, 10 months
  • Last seen more than 9 years ago
  • Singapore
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About

Undergraduate (mathematics) student at Cambridge

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View all questions and answers
All Questions Answers
Score Newest
answer
63
A question comparing $\pi^e$ to $e^\pi$
Mar 22, 2013
answer
44
Math Olympiad Prime Number Question
Jun 5, 2014
answer
42
Pattern to last three digits of power of $3$?
Apr 9, 2013
answer
28
Limit of $y=\sqrt{5+\sqrt{5-\sqrt{5+\sqrt{5-\sqrt{5+\ldots}}}}}$
Feb 28, 2013
answer
27
Show that $4mn-m-n$ can never be a square
May 23, 2013
answer
24
Finite Sum $\sum\limits_{k=1}^{m-1}\frac{1}{\sin^2\frac{k\pi}{m}}$
Oct 29, 2013
answer
19
Find the minimum value of $|\sin x+\cos x+\tan x+\cot x+\sec x+\csc x|$ for real numbers $x$
Feb 13, 2013
answer
17
Problems regarding $\{x_n \}$ defined by $x_1=1$; $x_n$ is the smallest distinct natural number such that $x_1+...+x_n$ is divisible by $n$.
Feb 6, 2013
answer
17
Prove $\frac{a}{ab+2c}+\frac{b}{bc+2a}+\frac{c}{ca+2b} \ge \frac 98$
Feb 15, 2013
answer
16
To prove that $2^{3n}+2^n +1$ is not a perfect square.
May 15, 2013

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