| Exam Board | Edexcel |
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| Module | C12 (Core Mathematics 1 & 2) |
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| Year | 2016 |
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| Session | January |
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| Topic | Indefinite & Definite Integrals |
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3. Find, using calculus and showing each step of your working,
$$\int _ { 1 } ^ { 4 } \left( 6 x - 3 - \frac { 2 } { \sqrt { x } } \right) \mathrm { d } x$$