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Question

The function logxx is increasing in the interval

A
(1,2e)
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B
(0,e)
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C
(e,2e)
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D
(1e,2e)
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Solution

The correct option is A (0,e)
f(x)=1x2logxx2
0=(1log)xx2
x=e
f(x)>0 when x(0,e)

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