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The exhaustive set of values of a for wh...

The exhaustive set of values of a for which `a-cot^(-1)3x=2tan^(-1)3x+cos^(-1)xsqrt(3)+sin^(-1)xsqrt(3)` may have solution is

A

`[-pi/4, pi/4]`

B

`(pi/2, (3pi)/2)`

C

`[(2pi)/3, (4pi)/3]`

D

`[-(3pi)/6, (7pi)/6]`

Text Solution

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The correct Answer is:
D
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