Prove that if x and y are both odd positive integers then x^2+y^2 is even but not divisible by 4

Prove that if x and y are both odd positive integers then x^2+y^2 is even but not divisible by 4 pictures 5
Home > Prove that if x and y are both odd positive integers then x^2+y^2 is even but not divisible by

Prove that if x and y are both odd positive integers then x^2+y^2 is even but not divisible by 4