| Exam Board | WJEC |
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| Module | Further Unit 4 (Further Unit 4) |
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| Year | 2023 |
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| Session | June |
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| Topic | First order differential equations (integrating factor) |
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9. Consider the differential equation
$$( x + 1 ) \frac { \mathrm { d } y } { \mathrm {~d} x } + 5 y = ( x + 1 ) ^ { 2 } , \quad x > - 1$$
Given that \(y = \frac { 1 } { 4 }\) when \(x = 1\), find the value of \(y\) when \(x = 0\).