AM-2051

Quotient rule

A Math · Secondary 4 · Easy · Quotient rule

A curve has equation

y = \dfrac{x}{x^2+1}

. Find

\dfrac{dy}{dx}

.

$\dfrac{1-x^2}{(x^2+1)^2}$
$\dfrac{1+x^2}{x^2+1}$
$\dfrac{x^2+1-x}{(x^2+1)^2}$
$\dfrac{x^2-1}{(x^2+1)^2}$

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