AM-2021

Chain rule

A Math · Secondary 4 · Easy · Chain rule

A curve has equation

y = \ln(2x + 1)

.

Find

\dfrac{dy}{dx}

.

$\dfrac{2}{2x+1}$
$\dfrac{1}{2x+1}$
$\dfrac{2}{x}$
$\dfrac{1}{x}$

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