If m and n are two positive integers and (mn) is an even number, then (m^(2)-n^(2)) is always divisible by...

If m and n are positive integers and (m – n) is an even number, then (m^(2) - n^(2)) will be always divisible by

If m and n are +ve integers and ( m-n) is an even number , then (m^(2) - n^(2)) will be always divisible by.

If n is any even number, then n(n^(2)+20) is always divisible by

If n is an integer, then (n^(3) - n) is always divisible by :

If n s any positive integer,then (3^(4n)-4^(3n)) is always divisible by:

If n is an even positive integer, then a^(n)+b^(n) is divisible by

If m and n are two integers such that m = n^(2) - n , then (m^(2) - 2m) is always divisible by