Ask iit jee aieee pet cbse icse state board community Discussion Response Post to: a+bx / a-bx = b+cx / b-cx = c+dx / c- dx, then prove that a,b and c are in ?
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Mirka (2910)

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Apply Componendo-Dividendo ... for all d fractions,

 

you get a/b = b/c = c/d ...

 

which means they r in GP.

 

 


-na-
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