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Sufficient or not? (Posted on 2018-08-29) Difficulty: 3 of 5
M & N are distinct real numbers.
M+N is a rational number.
M^2+N^2 is a rational number.
M*N is rational as well.

Provided all the above is true must each of M, N be rational?

No Solution Yet Submitted by Ady TZIDON    
Rating: 5.0000 (1 votes)

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Bugfeed | Comment 3 of 6 |
Thanks for this number information. Worth reading article and happy wheels for all free online. 
  Posted by Happy Space on 2019-04-25 03:46:01
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