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Vadim earned this badge 4 times |
feb 19 at 11:34
Finding a primitive root of a prime number
may 17 '12 at 20:44
If $n$ is an odd natural number, then $8$ divides $n^{2}-1$
apr 12 '12 at 14:48
Getting the sequence $1, 0, -1, 0, 1, 0, -1, 0, \ldots$ without trig?
apr 12 '12 at 13:08
Getting the sequence $1, 0, -1, 0, 1, 0, -1, 0, \ldots$ without trig?
