Find the sum of first 8 terms of AP whose first term is 3 and common difference is 6. Question Find the sum of first 8 terms of AP whose first term is 3 and common difference is 6. in progress 0 Math Caroline 1 month 2021-08-14T12:53:54+00:00 2021-08-14T12:53:54+00:00 2 Answers 0 views 0

## Answers ( )

here is ur ans …n=8d=6a=3so..Sn=n/2[2a+(n-1)*d]:–S8=8/2[2*3+(8–1)*6]:–S8=4[6+7*6]:–S8=4[6+42]:–S8=4*48therefore..S8=192HOPEITHELPS..DON’TFORGETTOFOLLOWMEPLSSS...Answer:## Given:

a=3, d=6

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

S8=4(6+42)

S8=198