If are the sum of the first natural numbers, their squares, and their cubes respectively, then is equal to
Finding the value of :
Step 1: Solve using known results of sum of numbers
The sum of the natural numbers is given by
The sum of the squares of the natural numbers is given as,
The sum of the cubes of the natural numbers is given as,
Step 2: Calculation for the given expression
Use the values of the above three sums to determine the required,
Hence, the correct option is (C).