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1 Unit 1: Pure Mathematics A

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Question 361

A curve has equation y=3x+1xy = 3x + \dfrac{1}{x}y=3x+x1​

a.

Find dydx\dfrac{dy}{dx}dxdy​.

[2]
b.

Find the xxx-coordinates of the points where the gradient is zero, giving your answers in exact form.

[2]
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1 Unit 1: Pure Mathematics A Questions

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