| Exam Board | CAIE |
|---|
| Module | P2 (Pure Mathematics 2) |
|---|
| Year | 2015 |
|---|
| Session | June |
|---|
| Topic | Modulus function |
|---|
1
- Solve the equation \(| 3 x + 4 | = | 3 x - 11 |\).
- Hence, using logarithms, solve the equation \(\left| 3 \times 2 ^ { y } + 4 \right| = \left| 3 \times 2 ^ { y } - 11 \right|\), giving the answer correct to 3 significant figures.