Answer to Question #250767 in C++ for QAMAR

Question

Write a program to calculate and display sum of the following series using for loop x+x2+x3+………xn

Answer 1

#include <iostream> 
#include <cmath> 


using namespace std; 


int main(){ 
	int n,x;
	int sum=0;
	cout<<"Enter n: ";
	cin>>n;
	cout<<"Enter x: ";
	cin>>x;


	for(int i=1;i<=n;i++){
		sum+=pow(x*1.0,i);
	}


	cout<<"Sum = "<<sum<<"\n";


	cin>>n;
}