Question

find the sum of the first 23 terms of the AP 7, 21/2, 14..............?​

Answer 1

Answer:

84

Step-by-step explanation:

First term =a= 7

Common difference = d= 21/2-7=21-14/2

d= 7/2

I hope this helps you.

Answer 2

Step-by-step explanation:

Hope you are doing well