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Mathematics
albert chan's user avatar
albert chan's user avatar
albert chan's user avatar
albert chan
  • Member for 4 years, 11 months
  • Last seen more than a week ago
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16
Proving that $3^{(3^4)}>4^{(4^3)}$ without a calculator
Nov 19, 2021
12
Solve $\tan x =\sec 42^\circ +\sqrt{3}$
Sep 13, 2019
9
British Mathematical Olympiad - December 2001 - Round 1 - Question 4
Sep 3, 2019
5
Quick evaluation of definite integral $\int_0^\pi \frac{\sin 5x}{\sin x}dx$
Jul 1, 2022
5
Finding $\displaystyle \lim_{x \to 2}\frac{\sqrt{x^3+1}-\sqrt{4x+1}}{\sqrt{x^3-2x}-\sqrt{x+2}}$
Sep 10, 2019
4
Calculate $\sum_{k=1}^n k2^{n-k}$
Sep 8, 2019
3
Solving $2x^3-24x^2+23x+283=0$
Sep 29, 2019
3
What is the sum of $1+(1-i)^2-(1-i)^4+(1-i)^6-(1-i)^8+...-(1-i)^{100}$?
Jul 15, 2022
3
Find $\sin(t+\pi)$ and $\cos(t+\pi)$ when $\sin(t)$ and $\cos(t)$ given
Aug 20, 2019
3
Contest Math Question: simplifying logarithm expression further
Jan 2, 2023