Saved Bookmarks
| 1. |
If the sum of the first 3 terms of an ap is 15 and that of next 3 terms is 33 then find the sum of first 9 terms of the AP |
| Answer» If the sum of the first 3 terms of an ap is 15 and that of next 3 terms is 33 then find the sum of first 9 terms of the AP | |