Question

if sum of first 12 grams of AP is 12 and its common difference is 6 find the 10th term​

Answer 1

Answer:

22

Step-by-step explanation:

use Sn formula

Sn=n/2(2a+(n-1) d)

12=6(2a+11×6)

2=2a+66

-64=2a

-32=a

then put the value of a in An formula

A+(n-1) d

-32+(10-1)6

-32+54=22