AM-1875

Chain rule

A Math · Secondary 4 · Medium · Chain rule

The curve

y=\dfrac{12}{4x-1}

has a tangent at the point where

x=1

. Find the gradient of this tangent.

$-\dfrac{16}{3}$
$\dfrac{16}{3}$
$-\dfrac{48}{3}$
$-\dfrac{3}{16}$

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