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Quadratic With A Difference (Posted on 2008-04-15) Difficulty: 2 of 5
Determine all possible integer pair(s) (C, D) that satisfy this equation:

C2 - 3CD = C - D

See The Solution Submitted by K Sengupta    
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re: Not much to this one | Comment 3 of 5 |
(In reply to Not much to this one by FrankM)

"There is only the trivial solution C=+-1, D=0."

But (C, D) = (-1, 0) seems to lead to a contradiction, since in that situation:

lhs of the given equation is equal to  1, while the rhs is equal to  -1 

Edited on April 15, 2008, 3:53 pm
  Posted by K Sengupta on 2008-04-15 15:49:24

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