Saved Bookmarks
| 1. |
What is the sum of all natural numbers 1+2+3+4+5+........ To infinite ? |
|
Answer» Infinite Cannot be defined Sn= n/2 { 2a +( n-1)d } where n= no of terms , a = first term, and d= common difference between second term and first term. n{n+1}/2 -1/12. Hahah |
|