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Home  >>  JEEMAIN and AIPMT  >>  Mathematics  >>  Class11  >>  Sequence and Series
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The sum of three numbers in GP is 26. If 2,2,-6 are added to them respectively they form as.n AP . Find the number


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Answer : (b) 18,6,2
$Explanation \;:\; Let\;the\;three\;numbers\;in\;GP\;be\;a\;,ar\;,ar^2$
$Given\; that\;a+2\;,ar+2\;,ar^2-6\;\;are \;in\;AP$
$Adding \;equations\;(1)\;\xi\;(2)$
answered Jan 3, 2014 by yamini.v

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