| Exam Board | OCR MEI |
|---|---|
| Module | C4 (Core Mathematics 4) |
| Year | 2012 |
| Session | June |
| Marks | 5 |
| Paper | Download PDF ↗ |
| Mark scheme | Download PDF ↗ |
| Topic | Simultaneous equations |
| Type | Simultaneous with substitution elimination |
| Difficulty | Moderate -0.3 This is a straightforward algebraic equation requiring students to find a common denominator, clear fractions, and solve the resulting quadratic. While it involves multiple steps and careful algebraic manipulation, it's a standard textbook exercise with no conceptual difficulty or novel insight required—slightly easier than the average A-level question. |
| Spec | 1.02k Simplify rational expressions: factorising, cancelling, algebraic division |
Solve the equation $\frac{4x}{x+1} - \frac{3}{2x+1} = 1$. [5]
\hfill \mbox{\textit{OCR MEI C4 2012 Q1 [5]}}