The sum of the cubes of first 8 natural numbers is
1269
1298
1296
1297
The sum of the cubes of first n natural numbers is given by n2(n+1)24
Substituting n=8 , we get sum as 1296.
What is the sum of the cubes of the first 7 natural numbers?
Find the sum of the cubes of the first n natural numbers.
The harmonic mean of sum of first n natural numbers and sum of cubes of first n natural numbers is
The difference between the sum of the cubes of first n natural numbers and squares of first n natural numbers is