AQA AS Paper 1 2021 June — Question 2 1 marks

Exam BoardAQA
ModuleAS Paper 1 (AS Paper 1)
Year2021
SessionJune
Marks1
PaperDownload PDF ↗
Mark schemeDownload PDF ↗
TopicChain Rule
TypeBasic power rule differentiation
DifficultyEasy -1.8 This is a straightforward single-step differentiation requiring only the power rule applied to x^(-1). It's a 1-mark multiple-choice question testing basic recall of differentiation rules with no problem-solving element, making it significantly easier than average A-level questions.
Spec1.07d Second derivatives: d^2y/dx^2 notation1.07l Derivative of ln(x): and related functions

Given that \(\frac{dy}{dx} = \frac{1}{x}\) find \(\frac{d^2y}{dx^2}\) Circle your answer. [1 mark] \(-\frac{2}{x^2}\) \(-\frac{1}{x^2}\) \(\frac{1}{x^2}\) \(\frac{2}{x^2}\)

Question 2:
AnswerMarks Guidance
2Circles correct answer 1.1b
1
AnswerMarks Guidance
Total1 2
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AnswerMarks Guidance
QMarking instructions AO
Question 2:
2 | Circles correct answer | 1.1b | B1 | –
1
Total | 1 | 2
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Q | Marking instructions | AO | Marks | Typical solution
Given that $\frac{dy}{dx} = \frac{1}{x}$ find $\frac{d^2y}{dx^2}$

Circle your answer.
[1 mark]

$-\frac{2}{x^2}$    $-\frac{1}{x^2}$    $\frac{1}{x^2}$    $\frac{2}{x^2}$

\hfill \mbox{\textit{AQA AS Paper 1 2021 Q2 [1]}}