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y = tan^(-1)((3x-x^3)/(1-3x^2)), 1/(sqrt...

`y = tan^(-1)((3x-x^3)/(1-3x^2)), 1/(sqrt3) , x , 1/(sqrt3)`.

A

(-6)

B

6

C

5

D

(-5)

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The correct Answer is:
B
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HIMALAYA PUBLICATION-LIMITS, CONTINUITY AND DIFFERENTIABILITY-QUESTION BANK
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  18. lim(x rarr pi) (sin x)/(x - pi) is

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