Question

A statement Sn about the positive integers is given. Write statements S1, S2, and S3, and show that each of these statements is true. Show your work. Sn: 1^2 + 42 + 72 + . . . + (3n - 2)2 = (n(〖6n〗^2-3n-1))/2

Answer 1

In the commutative ring of the integers, multiplication and addition are closed on the integers. There's your first two statements. S3 would be the additive identity element is 0.