find the sum of the following arithmetic series 7+13+19+25+…+85 Question find the sum of the following arithmetic series 7+13+19+25+…+85 in progress 0 Math Ayla 2 weeks 2021-09-12T14:22:16+00:00 2021-09-12T14:22:16+00:00 1 Answer 0

## Answers ( )

Step-by-step explanation:Given Arithmetic series is:

7+13+19+25+…+ 85

Here,

First term a = 7

Common Difference d = 13 – 7 = 6

last term

First let us find the number of terms in given series.

Hence, given series has total 14 terms.

Sum of n terms of an Arithmetic series is given as: