‘C’ program to accept real number x and integer n and calculate the sum of first n terms of the series x+ x/3!+ x/5!+ x/7!+…

C File =>

/* Write a ‘C’ program to accept real number x and integer n and calculate 

the sum of first n terms of the series

x+ x/3!+ x/5!+ x/7!+… */

#include<stdio.h>

int main() 

{

      int x,n,i;

      float sum=0;

 

      printf("\n Enter value of x : ");

      scanf("%d",&x);

      printf("\n Enter value of n : ");

      scanf("%d",&n);

       printf("\n\n Sum of series x+x/3!+x/5!...\n");

 

  // defining function to compute factorial

      int fact(int n)

     {

          if(n==1)

              return 1;

         else

              return (n*fact(n-1));

      }

 

     // computing sum of series

      for(i=1;i<=n;i=i+3)

          sum=sum+x/fact(i);

 

      printf("\n %f",sum);

 

      return 0;

}