Just solve 2(x-y)=x+y-1 and x+y-1=2x^2 - 11y^2 and then you will get 2 solutions which are (5,2) and (1/7,2/7). You should pick the latter one.
Add Math Form 4 Chapter 4 Problem, help pls..
Add Math Form 4 Chapter 4 Problem, help pls..
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Apr 7 2011, 10:08 PM
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473 posts Joined: Dec 2010 From: Kuala Lumpur |
Just solve 2(x-y)=x+y-1 and x+y-1=2x^2 - 11y^2 and then you will get 2 solutions which are (5,2) and (1/7,2/7). You should pick the latter one.
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