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Discussion Response Post to: Please differentiate it.

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1 May 2008 07:47:17 IST

Subject: Re:Please differentiate it.

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Scorching goIITian

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GE = ${x}^{3}sinx{x}^{4} = {x}^{7}sinx$

Diff of this = $7{x}^{6}sinx +{x}^{7}cosx$

Let ${e}^{ln x} = A$ .............(1)

Taking ln on both sides

$log {e}^{ln x} =ln A$

x = A.............(2)

from (1) & (2) ${e}^{ln x} = x$

Remember this its useful in many places........

this reply: 12 points (with 2 Olaaa!! Perrrfect answer.

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