Saved Bookmarks
| 1. |
The sum of first n terms of the series 1_(2) + 2.2^(2) + 3^(2) + 2.4^(2) + 5^(2) + 2.6^(2) + ...... is (n(n + 1)^(2))/4 when n is even. When n odd the sum is |
|
Answer» `(n(n + 1)^(2))/4` |
|