| Exam Board | CAIE |
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| Module | P3 (Pure Mathematics 3) |
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| Year | 2013 |
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| Session | November |
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| Topic | Product & Quotient Rules |
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1 The equation of a curve is \(y = \frac { 1 + x } { 1 + 2 x }\) for \(x > - \frac { 1 } { 2 }\). Show that the gradient of the curve is always negative.