Question

Calculati suma S = $\frac{1}{1*2} + \frac{1}{2*3} +...+ \frac{1}{n*(n+1)}$ . In C++, va rog...

Answer 1

#include <iostream>
using namespace std;

int main()
{
    float n;
    cin>>n;
    cout<<n/(n+1);
}