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The maximum value of logx is...

The maximum value of `logx` is

A

1

B

not define

C

10

D

100

Text Solution

Verified by Experts

The correct Answer is:
B

Given `f(x)=logx`
`f'(x)=1/x, f''(x)=-1/(x^(2))`
`:.f'(x)=0implies1/x=0impliesx=oo`
`:.` Maximum value is not define.
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