Hi. I'm having trouble with these problems.

p is and odd prime for both.

Prove x = 0 mod p if x = -x mod p.

Prove x = +/-y mod p^2 if x^2 = y^2 mod p^2, neither x nor y are 0 mod p.

Thanks...

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- June 23rd 2008, 07:23 PMcryptocrowSquare Root Proof Problem
Hi. I'm having trouble with these problems.

p is and odd prime for both.

Prove x = 0 mod p if x = -x mod p.

Prove x = +/-y mod p^2 if x^2 = y^2 mod p^2, neither x nor y are 0 mod p.

Thanks... - June 23rd 2008, 07:56 PMThePerfectHacker
Hint:

- June 23rd 2008, 10:41 PMCaptainBlack
- June 24th 2008, 06:10 AMcryptocrow
Thanks a lot, i see where i went wrong.