If int(1)/(f(x))dx=log[f(x)]^(2)+c, then...

If `int(1)/(f(x))dx=log[f(x)]^(2)+c`, then `f(x)=`

A

(a) `2x+alpha`

B

(b) `x/2+alpha`

C

(c) `x+alpha`

D

(d) `x^(2)+alpha`

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The correct Answer is:

B

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