NickD

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algebra-precalculus

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How does summation index shifting work?

May 3, 2019

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Does the unit of measure matter when you are solving for the diameter of a circumference?

May 25, 2019

8

totient function series diverges?

Apr 20, 2017

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

5

Easiest way to solve this inequality? $m^2-mn+n^2+m-n>0$ for $m,n \in \mathit Z^+$

Dec 22, 2019

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