Algebra

Cool goIITian

Joined: 31 Mar 2012
Post: 81
31 Mar 2012 09:32:52 IST
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plz solve this..
Engineering Entrance , JEE Main , JEE Main & Advanced , Mathematics , Algebra

let a,b,x,y satisfy ax+by=4 , ax^2 + by^3=-3 , ax^3+by^3=-3 then the value of (2x-1)(2y-1) is ..



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hemang's Avatar

Blazing goIITian

Joined: 27 Dec 2010
Posts: 1508
31 Mar 2012 10:54:31 IST
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i think the question should be

let a,b,x,y satisfy ax+by=4 , ax^2 + by^2=-3 , ax^3+by^3=-3 then the value of (2x-1)(2y-1) is...

cause if it is by^3, it is too easy....

 


Cool goIITian

Joined: 31 Mar 2012
Posts: 81
31 Mar 2012 17:15:54 IST
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yes ur correct plz say how to solve it..




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