Saved Bookmarks
| 1. |
Find the ap of 1st 8 multiple of 3 |
|
Answer» 3,6...a=3 ,d=3,n=8=a+(n-1)×d=3+(8-1)×3=3+7×3=3+21=24T8=243,6,9,12,15,18,21,24 1st 8 multiples of 3 are- 3,6,9,12,15,18,21,24.Here, a=3 d=3 an=24 n=8(using an formula) Sn=112(using Sn formula). |
|