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Given f'(1)=1and f(2x)=f(x)AAxgt0.If f'...

Given `f'(1)=1and f(2x)=f(x)AAxgt0.If f'(x)` is differentiable, then there exists a number `c in (2,4)` such that `f''(c )` equal

A

`-1//4`

B

`-1//8`

C

`1//4`

D

`1//8`

Text Solution

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The correct Answer is:
B
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ARIHANT MATHS-DY / DX AS A RATE MEASURER AND TANGENTS, NORMALS -Exercise (Single Option Correct Type Questions)
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  12. The Curve possessing the property that the intercept made by the tange...

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