| Exam Board | CAIE |
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| Module | P3 (Pure Mathematics 3) |
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| Year | 2019 |
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| Session | March |
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| Topic | Laws of Logarithms |
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1
- Show that the equation \(\log _ { 10 } ( x - 4 ) = 2 - \log _ { 10 } x\) can be written as a quadratic equation in \(x\).
- Hence solve the equation \(\log _ { 10 } ( x - 4 ) = 2 - \log _ { 10 } x\), giving your answer correct to 3 significant figures.