Question

Please help. I'm so confused

Answer 1

\[\sum_{n-1}^4{(2n-1)}\]

Answer 2

\[\sum_{n=1}^{4}\left( 2n-1 \right)=2*1-1+2*2-1+2*3-1+2*4-1=2(1+2+3+4)-4=?\]

Answer 3

@surjithayer isn't the 4 is the last term?

Answer 4

The answer is 4?

Answer 5

or is it how many squence were there?

Answer 6

@PrincessKhiayla 4 is not the answer nor is the answer

Answer 7

20-4=16

Answer 8

ahh I see