1.

If \[y={{x}^{x}}\], then \[\frac{dy}{dx}=\]                             [AISSE 1984; DSSE 1982; MNR 1979; SCRA 1996; RPET 1996; Kerala (Engg.) 2002]

A.            \[{{x}^{x}}\log ex\]
B.            \[{{x}^{x}}\left( 1+\frac{1}{x} \right)\]
C.            \[(1+\log x)\]
D.            \[{{x}^{x}}\log x\]
Answer» B.            \[{{x}^{x}}\left( 1+\frac{1}{x} \right)\]


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