SOLUTION: If x,y,z is rational then the sum is rational..
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Question 1111797: If x,y,z is rational then the sum is rational..
Found 2 solutions by ikleyn, amalm06:
Answer by ikleyn(52777) (Show Source): You can put this solution on YOUR website!
.
Without your question, this post is UNCOMPLETED,
and as such, is the subject of ignoring,
according to rules of this forum.
Answer by amalm06(224) (Show Source): You can put this solution on YOUR website!
Let , ,
Then is also rational (Answer)
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