`n^2-1` is divisible by 8, if n is

If n is an odd positive integer, show that (n^2-1) is divisible by 8.

If n is an odd positive integer, show that (n^2-1) is divisible by 8.

What would be the values of n for which n^(2)-1 is divisible by 8.

If n is an odd positive integer,show that (n^(2)-1) is divisible by 8.

9^(n)-8^(n)-1 is divisible by 64 is

9^(n)-8^(n)-1 is divisible by 64 is

if n is an odd integer, then show that n^(2) - 1 is divisible by 8.

Prove by mathematical induction that for every natural number n, 3^(2n+2)-8n-9 is divisible by 8 for all n ge 1.