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riddles >> medium >> find x and y
(Message started by: tony123 on Feb 28th, 2008, 2:59pm)

Title: find x and y
Post by tony123 on Feb 28th, 2008, 2:59pm
If
x+xy+x y^2=7

x^3+(x^3)( y^3)+(x^3)( y^6)=73

find x and y

Title: Re: find x and y
Post by ThudanBlunder on Feb 28th, 2008, 3:16pm
[hide]
x = 1
y = 2
[/hide]

Title: Re: find x and y
Post by Eigenray on Feb 28th, 2008, 4:34pm
Actually for any solution (x,y) there'll be another solution [hide](x', 1/y)[/hide] (for any values of 7 and 73).

Hmm, by any chance should that 73 actually be a 73?  Would make it a lot nicer.



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