Program 298: Display Series in AP along with Sum for given Common difference and Number of Terms

Program 298: Display Series in AP along with Sum for given Common difference and Number of Terms
 

#include<stdio.h>
main()
{ 
//an=a+(n-1)d
  int i,n;
  float sum=0,num1,diff,lastnum,seriesFirstNum;
  
  printf("Enter first number of the series\n");
  scanf("%f",&num1);
  printf("Enter Common difference\n");
  scanf("%f",&diff);
  printf("Enter number of terms in the series\n");
  scanf("%d",&n);
  seriesFirstNum=num1;
lastnum=(float)(num1+((n-1)*diff));  
  for(i=1;i<=n;i++)
  {
   sum+=seriesFirstNum;
   seriesFirstNum+=diff;
  }
  
  seriesFirstNum=num1;
  printf("Terms present in the Series are:\n");
    for(i=1;i<=n;i++)
  {
     if(i<n)
     {
      printf("%.2f,",seriesFirstNum);
      seriesFirstNum+=diff;
     }
     else
     {
      printf("%.2f\nSum of the Series is=%.2f\n",seriesFirstNum,sum);
      seriesFirstNum+=diff;
     }
  }
}

To find sum of series in A.P for given first and last term of series

Explanation:

//Coming Soon...

Output: