设f(x)=xln(x+1)，则df(x)=( )． A． B．

单项选择题

设f(x)=xln(x+1)，则df(x)=( )．
A．
B．
C．
D．

A.

B.C.174.24.96:6088/Latex/latex.action?latex=XGZyYWN7MX17eCsxfWR4'
D.E.174.24.96:6088/Latex/latex.action?latex=XGxlZnRbIGxuKHgrMSkrXGZyYWN7eH17eCsxfSBccmlnaHRdZHg%3D'
F.G.174.24.96:6088/Latex/latex.action?latex=XGZyYWN7MX17eCsxfQ%3D%3D'
H.I.174.24.96:6088/Latex/latex.action?latex=bG4oeCsxKStcZnJhY3t4fXt4KzF9'

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