Question

Without using a calculator, find the sum of the series.

Pretend in place of E is Greek Letter Sigma.

27
E(4 + 1/2n) = ?
N=0

Answer 1

You just want the sum of an arithmetic series where

a = 4
d = 1/2

S28 = 28/2(2*4 + 27(1/2)) = 301

Answer 2

Thank you!!