Question

Find the sum
of
the series
to
n termo
3+6+11...... to n terms​

Answer 1

Explanation:

Input: N = 2

Output: 9

The sum of first 2 terms of Series is

3 + 6 = 9

Input: N = 3

Output: 20

The sum of first 3 terms of Series is

3 + 6 + 11 = 20