Tristan Batchler

Member for 8 years, 1 month
Last seen more than a month ago

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The Order of the Identity of a Group

May 19, 2017

$a/b < (1 + \sqrt{5})/2 \iff a^2 - ab - b^2 < 0$?

May 14, 2017

Why the order of elements of my group $\mathbb{Z}\left[\sqrt 7\right]$ under multiplication modulo prime $p$ often divide $p^2-1$

Mar 23, 2021

If the sum of eigenvectors is an eigenvector, then they all correspond to the same eigenvalue

Apr 28, 2017

Showing that $\sum\limits_{r=0}^n({1 \over r!} \sum\limits_{s=0}^{n-r}{(-1)^s \over s!}) = 1$

Aug 14, 2016

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Why is $\sum_{i=1}^n {\frac{1}{(n+i-1)(n+i)}} = \frac{1}{2n}$?

May 1, 2017

Determine if the following is a linear transformation.

May 8, 2017

Is my approach to this functions proof correct?

May 9, 2017

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