| Exam Board | CAIE |
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| Module | P1 (Pure Mathematics 1) |
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| Year | 2018 |
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| Session | June |
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| Topic | Integration by Substitution |
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4 A curve with equation \(y = \mathrm { f } ( x )\) passes through the point \(A ( 3,1 )\) and crosses the \(y\)-axis at \(B\). It is given that \(\mathrm { f } ^ { \prime } ( x ) = ( 3 x - 1 ) ^ { - \frac { 1 } { 3 } }\). Find the \(y\)-coordinate of \(B\).