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Mathematics

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earned this badge 3 times.
Finding a primitive root of a prime number
Awarded Dec 10, 2014 at 17:44
If $n$ is an odd natural number, then $8$ divides $n^{2}-1$
Awarded Jun 19, 2013 at 18:26
Getting the sequence $\{1, 0, -1, 0, 1, 0, -1, 0, \ldots\}$ without trig?
Awarded Feb 8, 2013 at 9:32

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