Question

Write a c++ program to find the sum of square of even numbers

Answer 1

Sum of square of first n even numbers

Given a number n, find sum of square of first n even natural numbers.

Examples :

Input : 3

Output : 56

22 + 42 + 62 = 56

Input : 8

Output : 816

22 + 42 + 62 + 82 + 102 + 122 + 142 + 162

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