| Exam Board | Edexcel |
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| Module | C4 (Core Mathematics 4) |
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| Year | 2006 |
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| Session | January |
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| Topic | Integration by Substitution |
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3. Using the substitution \(u ^ { 2 } = 2 x - 1\), or otherwise, find the exact value of
$$\int _ { 1 } ^ { 5 } \frac { 3 x } { \sqrt { ( 2 x - 1 ) } } \mathrm { d } x$$
(8)
(8)