| Exam Board | Edexcel |
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| Module | C34 (Core Mathematics 3 & 4) |
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| Year | 2014 |
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| Session | June |
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| Topic | Implicit equations and differentiation |
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2. A curve \(C\) has the equation
$$x ^ { 3 } - 3 x y - x + y ^ { 3 } - 11 = 0$$
Find an equation of the tangent to \(C\) at the point \(( 2 , - 1 )\), giving your answer in the form \(a x + b y + c = 0\), where \(a , b\) and \(c\) are integers.