1^2 + 2^2 + 3^2 + ... + n^2 = ____?
- n(n+1)/2
- n(n+1)(2n+1)/6
- n(n-1)/2
- None of these
Explanation
The sum of squares of first n natural numbers is given by:
1^2 + 2^2 + 3^2 + ... + n^2 = n(n+1)(2n+1)/6
Related MCQs
- 1000
- 1001
- 1010
- 1100
اس سوال کو وضاحت کے ساتھ پڑھیں
- Even number
- Prime number
- Odd number
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Odd
- Prime
- Even
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- 2/3
- √2
- 5
- None of these