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The function in which Rolle’s theorem is...

The function in which Rolle’s theorem is verified is:

A

`f(x) = log ((x^(2)+ ab)/(a+b))x` (where 0 lt a lt b)

B

f(x) is continuous on [-1, 3]

C

`f(X) - 2+(x-1)^2/3 in [0,2]`

D

`f(x) = cos 1/x in [-1, 1]`

Text Solution

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The correct Answer is:
A
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