Saved Bookmarks
| 1. |
Given a =3, n=8, s=192,find D |
|
Answer» 6 I hope u will understand Sn=8/2(2×3+(8-1)×d192=4(6+7d)192=24+28d192-24=28d168=28dd=168/28d=6 28 D= 6 |
|