-
[2² + 3² + 4² + 5² + 6² +7² +8² + 9² +10² ] is equal to
-
- 385
- 2916
- 540
- 384
- 385
Correct Option: D
We know that ,
| 1² + 2² + 3² + .... + n² = | |
| 6 |
∴ 2² + 3² + 4² + ..... + 10² = (1² + 2² + 3² + ..... + 10²) – 1
Here , n = 10
| Required answer = | - 1 | |
| 6 |
| Required answer = | - 1 = 385 - 1 = 384 | |
| 6 |
