Saved Bookmarks
| 1. |
Find the sum of the n terms of the series whose nth term is (i) n(n+2) (ii) 3^n -2^n. |
|
Answer» SOLUTION :(i) `(1)/(6)n(n+1)(2n+7)`, (II) `1//2(3^(n+1)+1)-2^(n+1)` |
|