prove that n^2 - n is divisible by 2 for every positive integer n
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
if n=2
2^2-2
4-2
2
2 is divisible by 2
if n=3
3^-3
9-3
6
Answer:
answer is in the attachment