To evaluate the sum of the series

/* To evaluate the sum of the series */

#include<stdio.h>

#include<conio.h>

void main()

{

  int x,i;

  long int fact=1;

  float sum=1.0;

  clrscr();

  printf("Enter the range: ");

  scanf("%d",&x);

  for(i=1;i<=x;i++)

  {

    fact=fact*x;

    sum=sum+(1.0/fact);

  }

  printf("\nNumber of terms=%d \nSum of Series=%f",i-1,sum);

  getch();

}

 

OUTPUT

Enter the range: 5

 

Number of terms=5

Sum of Series=1.249920