#include <stdio.h>
#include<math.h>

int main() {
    float x;
    float numerator,denominator,sum,term;
    int i,n;
    
    printf("enter the number:\n");
    scanf("%f",&x);
    printf("enetr the value of n:\n");
    scanf("%d",&n);
    
    sum=0; 
    numerator=x;
    denominator=1;
    term=numerator/denominator;
    for (i=1;i<=n ;i++ ) {
        sum=sum+term; 
        numerator=-numerator*(x+1);
        denominator=i+1;
        term=numerator/denominator;
    }
    printf("calulated value of ln(1+%f) is %f\n",x,sum);
    return 0;
}