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For x >0,l e tf(x)=int1^x((log)e t)/(...

For `x >0,l e tf(x)=int_1^x((log)_e t)/(1+t)dtdot` Find the function `f(x)+f(1/x)` and show that `f(e)+f(1/e)=1/2dot`

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The correct Answer is:
`(1)/(2)(ln x)^(2)`
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