C Programming Tutorial

 
 
 
 

PROGRAM TO PRINT THE SUM OF SERIES 1 + 1/4 + 1/9 + 1/16 + ... + 1/N.

 
#include<stdio.h>
    #include<conio.h>
    void main()
    {
        double sum=0;
        long int sqr=0,i,n;
        clrscr();

        printf(\"\\n Please Give The Value of N:  \");
        scanf(\"%ld\",&n);
        for(i=1;i<=n;i++)
        {
            sqr=i*i;
            sum=sum+(1/(double)sqr);
            if(i==1)
                printf(\"\\n 1 +\");
            else if(i==n)
                printf(\" (1/%ld)  \",sqr);
            else
                printf(\" (1/%ld) + \",sqr);
        }
        printf(\"\\n\\n THE SUM OF THIS SERIES IS %7.2lf\",sum);
        getch();
    }




********************** OUTPUT *********************************

     Please Give The Value of N:  5


     1 + (1/4) +  (1/9) +  (1/16) +  (1/25)



     THE SUM OF THIS SERIES IS    1.46


*****************************************************************

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