| Exam Board | AQA |
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| Module | C4 (Core Mathematics 4) |
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| Year | 2012 |
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| Session | June |
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| Topic | Implicit equations and differentiation |
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6 A curve is defined by the equation \(9 x ^ { 2 } - 6 x y + 4 y ^ { 2 } = 3\).
Find the coordinates of the two stationary points of this curve.