If n is an positive integer 2.prove that n2-n is divisible by2 for every positive integer n.
Answers
Answered by
4
as we know if u take a even no. x then its next even no. will always be (x+2) so if u subtract 2 from a +ve even no. then will get a even no.
nd according to definition of even no.
even no. is divisible by 2
nd according to definition of even no.
even no. is divisible by 2
Similar questions