If y=\tan ^-1\lgroup\frac3x-x^31-3x^2\rgroup\, ,\, -1/√[]3\ltx\lt1/√[]3 then ...

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Question Id : 10681 | Context :NIMCET 2021

$y={\tan }^{-1}\lgroup{\frac{3x-{x}^3}{1-3{x}^2}}\rgroup\, ,\, \frac{-1}{\sqrt[]{3}}{\lt}x{\lt}\frac{1}{\sqrt[]{3}}$ then

$\frac{dy}{dx}$ is

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Mahendra , NIMCET ASPIRANT
Commented Mar 04 , 2024

Option 2 Take x= tan A Then use formula for tan 3A

0 Upvote 0 Downvote Reply

Gaurank Sharma , graduate
Commented Jun 01 , 2023

isn't it option 2

0 Upvote 0 Downvote Reply