Introduction
The program shows the sum of squares of n numbers. By using the formula (n*(n+1)*((2*n)+1))/6 sum of squares of numbers can be calculated. 1^2+2^2+3^2....
#include<stdio.h>
#include<conio.h>
void main()
{
int a,n;
clrscr();
printf("/n Enter a number:");
scanf("%d",&n);
a=(n*(n+1)*((2*n)+1))/6;
printf("sum of squares of numbers upto %d is %d",n,a);
getch();
}
Comments/Suggestions are invited. Happy coding......!
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