Posts by Hariprakash Yadav
gk time
1. Sum of first n natural numbers = n(n+1)/2
2. Sum of
gk time 1. Sum of first n natural numbers = n(n+1)/2 2. Sum of the squares of first n natural numbers = n(n+1)(2n+1)/6 3. Sum of the cubes of first n...
gk time 1. Sum of first n natural numbers = n(n+1)/2 2. Sum of the squares of first n natural numbers = n(n+1)(2n+1)/6 3. Sum of the cubes of first n...