Question

c++ program to find 1+x+x^2.....+x^n​

Answer 1

Answer:

#include<iostream.h>

#include<conio.h>

#include<math.h>

void main()

{

clrscr(); //

long i,n,x,sum=1;

cout<<“1+x+x^2+……+x^n”;

cout<<“\nEnter the value of x and n:”;

cin>>x>>n;

for(i=1;i<=n;++i)

sum+=pow(x,i);

cout<<“\nSum=”<<sum;

getch();

}