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Consider the function f:[(1)/(2),1]rarr ...

Consider the function `f:[(1)/(2),1]rarr R` defined by `f(x)=4sqrt(2)x^(3)-3sqrt(2)x-1`
Consider the statements(I) The curve `y=f(x)` intersects the "x" -axis exactly at one point.
(II) The curve "y=f(x)" intersects the "x" -axis at `x=cos((pi)/(12))`Then

A

Both (I) and (II) are correct

B

Both (I) and (II) are incorrect

C

Only (II) is correct.

D

Only (I) is correct.

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The correct Answer is:
A
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