#include<stdio.h>
#include<conio.h>
void main()
{
double sum=0;
longint 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 +");
elseif(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
*****************************************************************