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Rational Rigor II (Posted on 2013-03-16) Difficulty: 3 of 5
Determine all possible rational numbers r such that 3r3 +10r2 - 3r is an integer.

No Solution Yet Submitted by K Sengupta    
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  Subject Author Date
Some Thoughtsre(2): allof tem - spoilerAdy TZIDON2013-03-17 06:27:58
re: allof tem - spoilerbroll2013-03-17 06:18:33
Solutionallof tem - spoilerAdy TZIDON2013-03-17 05:06:00
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