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...

Printable View

- Jun 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... - Jun 23rd 2008, 07:56 PMThePerfectHacker
Hint:

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