| Exam Board | OCR |
| Module | C4 (Core Mathematics 4) |
| Year | 2010 |
| Session | June |
| Topic | Integration by Substitution |
4 Use the substitution \(u = \sqrt { x + 2 }\) to find the exact value of
$$\int _ { - 1 } ^ { 7 } \frac { x ^ { 2 } } { \sqrt { x + 2 } } \mathrm {~d} x$$