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Derivatives and Their Applications · Paper 2 — Free Maths AA HL Practice Questions

1MasterySAQ-SRules of differentiation (power, product, quotient, chain rule)s6 marksPaper 2~9 min
A curve is defined by y=2x−1x2+3y = \dfrac{2x-1}{x^2+3} for x∈Rx \in \mathbb{R}.
(a)
Find dydx\dfrac{dy}{dx}. [3 marks]
(b)
Determine the xx-coordinates of the points on the curve where the tangent is horizontal. [3 marks]
diagram

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