| Exam Board | CAIE |
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| Module | P2 (Pure Mathematics 2) |
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| Year | 2008 |
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| Session | November |
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| Topic | Product & Quotient Rules |
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6 Find the exact coordinates of the point on the curve \(y = x \mathrm { e } ^ { - \frac { 1 } { 2 } x }\) at which \(\frac { \mathrm { d } ^ { 2 } y } { \mathrm {~d} x ^ { 2 } } = 0\).