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Getting Quadratic With Two Digits (Posted on 2007-09-07) Difficulty: 3 of 5
(A) x is a two digit positive integer with no leading zero and d is the product of its digits. Determine all possible values of x such that x2 10x d is a perfect square.

(B) p is a two digit positive integer with no leading zero and c is the product of its digits. Determine all possible values of p such that p2 12p c is a perfect square.

See The Solution Submitted by K Sengupta    
Rating: 2.3333 (3 votes)

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re: By program (spoiler) Comment 2 of 2 |
(In reply to By program (spoiler) by Jer)

Thanks Jer.

I confirm having hyperlinked your methodology in my solution.

 


  Posted by K Sengupta on 2008-03-23 10:29:35
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