| Exam Board | OCR |
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| Module | C4 (Core Mathematics 4) |
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| Year | 2013 |
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| Session | January |
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| Topic | Integration by Substitution |
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6 Use the substitution \(u = 2 x + 1\) to evaluate \(\int _ { 0 } ^ { \frac { 1 } { 2 } } \frac { 4 x - 1 } { ( 2 x + 1 ) ^ { 5 } } \mathrm {~d} x\).