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If a, g and h are the AM, GM and HM respectively of two positive numbers x and y, then identify the correct statement.


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Answer : (c) $g\;is\;the\;GM\;between\;a\;and\;h$
Explanation : By definition , $a=\frac{x+y}{2}\;,g=\sqrt{xy}\;and\;h=\frac{2xy}{x+y}$
Therefore a,g,h are in GP and g is the GM between a and h.
answered Jan 18, 2014 by yamini.v

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