This is part of a much larger problem.

I need to prove that:

Please help me in any way you can. Thanks.

- Oct 8th 2010, 12:50 AMmiatchguyI need to prove that a term of a certain form cannot be a perfect square.
This is part of a much larger problem.

I need to prove that:

Please help me in any way you can. Thanks. - Oct 8th 2010, 01:38 AMaman_cc
Hint - Take n = 4m + 1 or 4m+3 ? What do you see? You don't need to consider even 'n'

- Oct 8th 2010, 05:37 AMSoroban
Hello, miatchguy!

Quote:

Prove that: .

must be either even or odd: .

If is even: .

. . is a multiple of 4.

If is odd: .

. . is one more than a multiple of 4.

Therefore, isthree more than a multiple of 4.*never*