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Let -1lt=plt=1 . Show that the equation ...

Let `-1lt=plt=1` . Show that the equation `4x^3-3x-p=0` has a unique root in the interval [1/2,1] and identify it.

A

`(cos^(-1)p)/(3)`

B

`cos((1)/(3)cos^(-1)p)`

C

`cos(cos^(-1)p)`

D

None of these

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ARIHANT MATHS ENGLISH-MONOTONICITY MAXIMA AND MINIMA-Exercise (Questions Asked In Previous 13 Years Exam)
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