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In this problem, we are given a number N. Our task is to create a program to find N-th term of series 0, 11, 28, 51, 79, 115, 156, 203, … In C++.

**Problem Description** − To find the Nth terms of the series −

**0, 11, 28, 51, 79, 115, 156, 203, … N-th term.**

**Let’s take an example to understand the problem,**

**Input** − N = 5

**Output** − 79

The general formula for nth term of the series is −

**T _{n} = 3*(N*N) + 2*N - 5**

#include <iostream> using namespace std; int findNTerm(int N) { int nthTerm = ( (3*N*N) + 2*N - 5); return nthTerm; } int main() { int N = 9; cout<<N<<"th term of the series is "<<findNTerm(N); return 0; }

9th term of the series is 256

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