perplexus.info :: Just Math : Integer Root Illation

Integer Root Illation (Posted on 2016-04-23)

Determine all possible pairs (P,Q) of positive integers such that each of the roots of:
X³ - 17X² + Px - Q² = 0 is an integer.

See The Solution Submitted by K Sengupta

Rating: 5.0000 (1 votes)

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| Comment 1 of 5

X^3-17x^2-20x+36 is not a solution, as P here is negative.

The solution is the other.

Posted by armando on 2016-04-24 06:20:45

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