OCR MEI C2 — Question 1 4 marks

Exam BoardOCR MEI
ModuleC2 (Core Mathematics 2)
Marks4
PaperDownload PDF ↗
Mark schemeDownload PDF ↗
TopicChain Rule
TypeBasic power rule differentiation
DifficultyEasy -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.
Spec1.07i Differentiate x^n: for rational n and sums

Differentiate \(x + \sqrt{x^3}\). [4]

Question 1:
AnswerMarks
11
1+ 3 x2
AnswerMarks Guidance
21+3 1 3
B2 for kx2 , or M1 for x2 seen before
3
differentiation or B1 ft their x2 correctly
AnswerMarks
differentiated4
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]}}