| Exam Board | OCR |
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| Module | H240/01 (Pure Mathematics) |
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| Year | 2022 |
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| Session | June |
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| Topic | Implicit equations and differentiation |
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7 A curve has equation \(2 x ^ { 3 } + 6 x y - 3 y ^ { 2 } = 2\).
Show that there are no points on this curve where the tangent is parallel to \(y = x\).