/*Write a program in C++ to display the sum of the series [ 1+x+x^2/2!+x^3/3!+....].
Sample Output:
Input the value of x: 3
Input number of terms: 5
The sum is : 16.375  */

#include<iostream>
#include<iomanip>
#include<cmath>
using namespace std;
int main(){
    int num,fact=1;
    double sum1=0.0,sum2=0.0,ans,x;
    cout<<"enter the value of x: "<<endl;
    cin>>x;
    cout<<"enter the value of terms: "<<endl;
    cin>>num;
    for(int i=1;i<=num-1;i++){
        
    for(int j=1;j<=i;j++ ){
        sum1=sum1+x;
        x=pow(x,i);
        
        fact = fact*i;
        sum2 = sum2+fact;
        
    }
                  
    
        }
        ans = sum1/sum2;
        cout<<ans<<endl;
    
    
return 0;   
}