Mathematics
Joshua Wang
  • Member for 1 year, 9 months
  • Last seen this week
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67
How to cut a cube out of a tree stump, such that a pair of opposing vertices are in the center?
Jan 11 '21
13
Pascal's triangle curiosity
Feb 26 '21
9
Teacher claims this proof for $\frac{\csc\theta-1}{\cot\theta}=\frac{\cot\theta}{\csc\theta+1}$ is wrong. Why?
Feb 28 '21
8
Does $a_n:=\left(1+\frac1{n+c}\right)^n$ converge to $e$, for $c\in\Bbb{N}$?
Jan 12 '21
7
Find the total length of two line segments of two overlapping right triangles
Feb 16 '21
5
Simplify $\sum_{k=0}^n (k*(k-1)*{n \choose n-k})$
Feb 3 '21
5
How would I evaluate this series using telescopic summation?
Feb 25 '21
5
Find integral from a known integral
Jan 21 '21
5
Polynomial Division - Remainder when divisor is squared??
Oct 15 '20
4
floor function equality ⌊x⌋^2=16
Oct 21 '20

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