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C++ program to find the sum of the series 1 + 1/2^2 + 1/3^3 + …..+ 1/n^n
In this tutorial, we will be discussing a program to find the sum of the given series 1 + 1/2^2 + 1/3^3 + …..+ 1/n^n.
For this, we will be given with the value of n and our task is to add up every term starting from the first one to find the sum of the given series.
Example
#include <iostream> #include <math.h> using namespace std; //calculating the sum of the series double calc_sum(int n) { int i; double sum = 0.0, ser; for (i = 1; i <= n; i++) ser = 1/ pow(i, i); sum += ser; return sum; } int main() { int n = 5; double res = calc_sum(n); cout << res << endl; return 0; }
Output
0.00032
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