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A Fancy Derivative
Calculus
Level 1
What is the following derivative equal to? \[\dfrac {d}{du} \left[ \dfrac {u^{n+1}}{(n+1)^2} \cdot \left[ (n+1) \ln u - 1 \right] \right]. \]
\[u^n\]
\[\ln(u+u^n)\]
\[\ln(u)\]
\[u^n \ln( u)\]
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