| 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 | Modulus function |
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1
- Solve the equation \(| 9 x - 2 | = | 3 x + 2 |\).
- Hence, using logarithms, solve the equation \(\left| 3 ^ { y + 2 } - 2 \right| = \left| 3 ^ { y + 1 } + 2 \right|\), giving your answer correct to 3 significant figures.