C Program To read in two numbers x and n and then compute the sum of this geometric progression 1+x+x2+x3+……….+xn

To read in two numbers x and n and then compute the sum of this geometric progression 1+x+x²⁺x³+……….+xⁿ

#include<stdio.h>

#include<conio.h>

#include<math.h>

void main()

{

int s_sum,i,x,n;

clrscr();

printf("Enter the values for x and n:");

scanf("%d %d",&x,&n);

if(n<=0 || x<=0)

{

  printf("Value is not valid\n");

}

else

{

  printf("Value is valid\n");

  s_sum=1;

  for(i=1;i<=n;i++)

                         {

                         s_sum=s_sum+pow(x,i);                    }

                         printf("Sum of series=%d\n",s_sum);

}

getch();

                        }