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If x lt -1//sqrt(3), then the value of 3...

If `x lt -1//sqrt(3)`, then the value of `3 tan^(-1)x - tan^(-1)(3x - x^(3))/(1-3x^(2))` equls

A

`-pi`

B

`pi`

C

`-pi//2`

D

0

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The correct Answer is:
A
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MCGROW HILL PUBLICATION-INVERSE TRIGONOMETRIC FUNCTIONS -SOLVED EXAMPLES (LEVEL 1 SINGLE CORRECT ANSWER TYPE QUESTIONS)
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