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[Post New]11 Jan 2007 21:46:53 IST
    Subject: Algebra
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vinu (524)

Blazing goIITian

Olaaa!! Perrrfect answer. 78  bad job dude!! I dont approve of this answer! 1  [147 rates]
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Let t=x^1/9 (^ means power raised to);
so, the given eq changes to..
t^3 - t =60 ,
i.e; t(t-1)(t+1)=60
=3*4*5 ;
therefore, t=x^1/9=4 ;
hence, x=4^9 .
 this reply: 5 points  (with 1 Olaaa!! Perrrfect answer.   in 1 votes )   [?]
 
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