| Exam Board | Edexcel |
|---|
| Module | C1 (Core Mathematics 1) |
|---|
| Year | 2007 |
|---|
| Session | January |
|---|
| Topic | Standard Integrals and Reverse Chain Rule |
|---|
6. (a) Show that \(( 4 + 3 \sqrt { } x ) ^ { 2 }\) can be written as \(16 + k \sqrt { } x + 9 x\), where \(k\) is a constant to be found.
(b) Find \(\int ( 4 + 3 \sqrt { } x ) ^ { 2 } \mathrm {~d} x\).