Vezba 10 - Zad. 1

#include <stdio.h>
#include <stdlib.h>

double suma(int n, double x);

int main()
{
    int n;
    double s, x;
    do{
    printf("\nUnesite n: ");
    scanf("%d", &n);
    }while(n<1);
    printf("\nUnesite x: ");
    scanf("%lf", &x);
    s = suma(n, x);
    printf("\nSuma = %.4f", s);
    return 0;
}

double suma(int n, double x)
{
    int i, zbir;
    double s,st;
    s=1;
    st=1;
    zbir=0;
    for(i=1;i<n;i++)
    {
        st*=x;
        zbir+=i;
        s+=st/(st + zbir);
    }
    return s;
}