If \( I_{n}=\int(\ln x)^{n} d x \) then \( \ln _{n}+n \ln _{n-1} \)...

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If \( I_{n}=\int(\ln x)^{n} d x \) then \( \ln _{n}+n \ln _{n-1} \) is equal to
\( \mathrm{P} \)
(A) \( x(\ln x)^{n-1} \)
(B) \( x(\ln x)^{n} \)
W
(C) \( n x(\ln x)^{n} \)
(D) none of these
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