Sum of Series||C language||programming_info ||Series problem 13

To calculate sum of the first N terms of the series:

1.2.3+2.3.4+....+n(n+1)(n+2)

Solution using C language:

#include <stdio.h>

#include<math.h>

int main() {

   float n = 6;

   int res = 0;

   for (int i = 1; i <= n; i++)

      res += (i) * (i + 1) * (i + 2);

   printf("The sum is : %d",res);

   return 0;

}

Output:

The sum is : 756

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