| Exam Board | OCR MEI |
|---|---|
| Module | C2 (Core Mathematics 2) |
| Marks | 4 |
| Paper | Download PDF ↗ |
| Mark scheme | Download PDF ↗ |
| Topic | Chain Rule |
| Type | Basic power rule differentiation |
| Difficulty | Easy -1.2 This is a straightforward differentiation question requiring only basic power rule application after rewriting the square root as x^(3/2). It's simpler than average A-level questions as it involves no product/quotient/chain rule, no simplification challenges, and is pure routine manipulation worth only 4 marks. |
| Spec | 1.07i Differentiate x^n: for rational n and sums |
| Answer | Marks |
|---|---|
| 1 | 1 |
| Answer | Marks | Guidance |
|---|---|---|
| 2 | 1+3 | 1 3 |
| Answer | Marks |
|---|---|
| differentiated | 4 |
Question 1:
1 | 1
1+ 3 x2
2 | 1+3 | 1 3
B2 for kx2 , or M1 for x2 seen before
3
differentiation or B1 ft their x2 correctly
differentiated | 4
Differentiate $x + \sqrt{x^3}$. [4]
\hfill \mbox{\textit{OCR MEI C2 Q1 [4]}}