If n2 is odd, then n is odd. True or False question.

Answer 1

By the contrapositive

If n is even then n² is even

n = 2x

n² = 4x²

n² = 2(2x²)

QED

Answer 2

true

9^2 = 81 is odd and 9 is odd

two odd number multiplied together are always odd

It's impossible for 2 even numbers to have a product that's odd