Monday 18 July 2011

Write a c program to find out the sum of series 1^2 + 2^2 + …. + n^2.




Sum
of 1^2 + 2^2 + …. + n^2 series in c programming language




#include



int main(){



    int n,i;

    int sum=0;



    printf("Enter
the n i.e. max values of series: ");

    scanf("%d",&n);



    sum
= (n * (n + 1) * (2 * n + 1 )) / 6;



    printf("Sum of
the series : ");



    for(i
=1;i<=n;i++){

         if (i != n)

             printf("%d^2 +
",i);

         else

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