Question

y=ln(2-3x)+x的导数怎么求?

Answer 1

y=ln(2-3x)+x

y′=[1/(2-3x)](2-3x)′+1

=[1/(2-3x)](-3)+1

=-3/(2-3x)+1

=(-1-3x)/(2-3x)

=(3x+1)/(3x-2)

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