Mathematics
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NickD
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All Questions Answers
Score Newest
answer
11
How does summation index shifting work?
May 3, 2019
answer
9
Does the unit of measure matter when you are solving for the diameter of a circumference?
May 25, 2019
answer
8
totient function series diverges?
Apr 20, 2017
answer
6
Is there a variant of the dot-product operation that returns $\frac{a_1}{b_1} + \frac{a_2}{b_2}$ from vectors $[a_1,a_2]$ and $[b_1, b_2]$?
Jan 23, 2019
answer
5
Easiest way to solve this inequality? $m^2-mn+n^2+m-n>0$ for $m,n \in \mathit Z^+$
Dec 22, 2019
answer
5
Is the zero vector not being a possible eigenvector just an arbitrary decision?
Apr 23, 2017
answer
4
(Pre-Calculus) How would you graph $y = (x^2 − 1)(x − 2)^2$ by hand?
Aug 25, 2019
answer
3
Solve $\sum_{r=1}^n (2r-1)\cos(2r-1)\theta $
Feb 24, 2017
answer
3
What does $\sum\limits_{i\neq j}$ mean?
Jan 21, 2020
answer
3
Hard integrals $\int_{0}^{\infty}\frac{1}{1+x^a} dx $ and $\int_{0}^{\infty} e^{-a x^2}\cos (bx) dx$
Mar 4, 2019
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30
Command line: How do you rotate a PDF file 90 degrees?
28
Emacs: Symbol's function definition is void: use-package
26
Opposite of particle decay
22
Why is `time` not in the GNU Bash manual?
20
why speed of alpha particle is a characteristic property?

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