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Getting closer (Posted on 2012-11-25) Difficulty: 3 of 5
Find three distinct positive integers p, q and r such that the value of expression 1/p+1/q+1/r will be less than 1/2 but as close to it as possible.

Find four distinct positive integers p, q, r and t such that the value of expression 1/p+1/q+1/r+1/t will be less than 1 but as close to it as possible.

No Solution Yet Submitted by Ady TZIDON    
Rating: 4.5000 (2 votes)

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Some Thoughts answer | Comment 2 of 6 |

p,q,r = {3,7,43}
1/p + 1/q + 1/r ~= 0.49944629014396

p,q,r,t = {2,3,7,43}
1/p + 1/q + 1/r + 1/t ~= 0.999446290144

 

Edited on November 26, 2012, 10:05 am
  Posted by Dej Mar on 2012-11-25 12:18:21

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