| Exam Board | OCR |
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| Module | C1 (Core Mathematics 1) |
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| Year | 2016 |
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| Session | June |
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| Topic | Differentiation Applications |
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| Type | Find stationary points |
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11 The curve \(y = 4 x ^ { 2 } + \frac { a } { x } + 5\) has a stationary point. Find the value of the positive constant \(a\) given that the \(y\)-coordinate of the stationary point is 32 .