| Exam Board | CAIE |
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| Module | P2 (Pure Mathematics 2) |
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| Year | 2018 |
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| Session | November |
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| Topic | Exponential Equations & Modelling |
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2 Given that \(9 ^ { x } + 3 ^ { x } = 240\), find the value of \(3 ^ { x }\) and hence, using logarithms, find the value of \(x\) correct to 4 significant figures.