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Home  >>  JEEMAIN and AIPMT  >>  Mathematics  >>  Class11  >>  Sequence and Series
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If $a, b, c$ are in $GP$ and equations $ax^2+2bx+c=0$ and $dx^2+2ex+f=0$ have a common root, then $\large\frac{d}{a}$, $\large\frac{e}{b}$, $\large\frac{f}{c}$ are in


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Answer : (a) AP
Explanation : a , b , c are in GP
This satisfies $dx^2+2ex+f=0$
answered Jan 24, 2014 by yamini.v
edited Mar 13, 2014 by balaji.thirumalai

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