| Exam Board | OCR |
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| Module | C4 (Core Mathematics 4) |
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| Topic | Implicit equations and differentiation |
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2. A curve has the equation
$$x ^ { 3 } + 2 x y - y ^ { 2 } + 24 = 0$$
Show that the normal to the curve at the point \(( 2 , - 4 )\) has the equation \(y = 3 x - 10\).