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.

Sn:   12 + 42 + 72 + . . . + (3n - 2)2 =

Answer 1

What does S represent?

Answer 2

S means this is a sum formula.

Answer 3

So S1 is the sum of 1 term and S2 is the sum of the first 2 terms and so on?

Answer 4

yea

Answer 5

And (3n-2)2 really means (3n-2)^2 ???

Answer 6

yea sorry about that

Answer 7

Is there supposed to be something after that equal sign because I can't make any sense of it?

Answer 8

no

Answer 9

Sn: 12 + 42 + 72 + . . . + (3n - 2)2 = (n(〖6n〗^2-3n-1))/2
I'll bet you it is this problem