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If $\;a_{1},a_{2},a_{3}\;(a_{1}\;\geq\;0)$ are in GP with common ratio r . the value of r for which inequality $\;a_{3}\;\geq\;4a_{2}-3a_{1}$ holds is given by ,


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1 Answer

Answer : (a) r=6
Explanation : $a_{3}\;>\;4a_{2}-3a_{1}$
r=6 satisfies above condition .
answered Jan 22, 2014 by yamini.v

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