C++ Code Review: calculates sum of series of type 1+x+x^2+...+x^n

Description: This program calculates sum of series of type 1+x+x^2+...+x^n

Code:

//Compiling Tool: Code::Block IDE with MinGW

//Program calculates sum of series of type 1+x+x^2+...+x^n.

 

#include<iostream>

#include<conio.h> //for getch()

#include<math.h> // for pow()

 

using namespace std;

 

int main()

{

 

    long i,n,x,sum=1;

 

    cout<<"Series Type:1+x+x^2+...+x^n"<<endl;

    cout<<"Enter the value of x and n:";

    cin>>x>>n;

 

    for(i=1; i<=n; ++i)

        sum+=pow(x,i);

 

    cout<<"Sum="<<sum;

    getch();

}

 

Output:

 

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