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zwim
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18
Derivative of $(x-1)(x-2)(x-3) \cdots (x-10)$ at $x=6$
Oct 6, 2017
12
What is the name of this hexagon/pentagon polyhedron?
May 1, 2019
12
Intuition behind $\zeta(-1)$ = $\frac{-1}{12}$
Jan 6, 2017
11
The sum of 8 consecutive Fibonacci numbers is not a Fibonacci number
Dec 1, 2017
11
If $A$ and $B$ are invertible matrices, is $A+B$ invertible too?
Nov 28, 2017
10
How to explain to my daughter that $\frac {2}{3}$ is greater than $\frac {3}{5}$?
Apr 12, 2017
10
Why is this proof incorrect? (limit product is product of the limits)
Sep 10, 2017
10
What is $\int_0^{\pi/2}\sin^7(\theta)\cos^5(\theta)d\theta$
Jan 6, 2019
9
Find the power of the matrix.
Mar 20, 2022
8
How to solve a system of linear equations modulo n?
Dec 7, 2017
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Is it possible to prevent substitution in approach0?
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Ununiform bracket sizes in $(x,y) = x \sin \left( \frac{1}{y} \right) + y \sin \left( \frac{1}{x} \right)$
3
How to unfollow a deleted question.
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How to pick a good camping airbed?