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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4.     int n; 
  5.     double sum = 0.0;
  6.  
  7.  
  8.     printf("Enter the value of n: ");
  9.     scanf("%d", &n);
  10.  
  11.  
  12.     for (int i = 1; i <= n; i++) {
  13.         sum += 1.0 / (i * (i + 1)); 
  14.     }
  15.  
  16.  
  17.     printf("Sum of the first %d terms of the series: %.4f\n", n, sum);
  18.  
  19.     return 0;
  20. }
  21.  
Success #stdin #stdout 0s 5276KB
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stdin
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3
stdout
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Enter the value of n: Sum of the first 3 terms of the series: 0.7500
https://ideone.com/x3Xaiv
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

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