Question

Ython program for sum of squares of first n natural numbers given a positive integer n. The task is to find 12 + 22 + 32 + .. + n2.

Answer 1

Given a positive integer N. The task is to find 12 + 22 + 32 + ….. + N2.

Examples :

Input : N = 4

Output : 30

12 + 22 + 32 + 42

= 1 + 4 + 9 + 16

= 30

Iput : N = 5

Output : 55