AM-1994

Product rule

A Math · Secondary 4 · Medium · Product rule

Given

y = 3x\ln(3x+1)

, find

\dfrac{dy}{dx}

.

$3\ln(3x+1)+\dfrac{9x}{3x+1}$
$3\ln(3x+1)+\dfrac{3x}{3x+1}$
$\ln(3x+1)+\dfrac{9x}{3x+1}$
$3\ln(3x+1)$

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