When the curve defined by is differentiated implicitly

MATHEMATICS · Single correct · A Level · Mathematics · Differentiation · Differentiation

Problem

When the curve defined by

xy = 4

is differentiated implicitly, which of the following gives

\dfrac{dy}{dx}

as a function of

x

? (a)

-\dfrac{4}{x}

(b)

\dfrac{4}{x^{2}}

(c)

-\dfrac{4}{x^{2}}

(d)

-\dfrac{y}{x}

Related theory

Browse the problem library