AQA AS Maths May 2021 Paper 2 Section A Pure) Walkthrough

Question Breakdown

1) Indices
2) Graphs Transformations
3) Integration
4) Binomial Expansion
5) Trigonometry
6) Logarithms
7) Integration/Quadratic Graphs
8) Differentiation by First Principle
9) Algebraic Proof
10) Differentiation Problem Solving
11) Equations of Circle/Discriminants/Coordinate Geometry
12) Sampling
13) Probability Distribution
14) Binomial Probability
15) Scatter Diagrams
16) Large Data Set/Central Tendency
17) Probability
18) Hypothesis Testing

[Shaq-keng]

In 11 b the y Value should have y =12 and y=8

[calraade]

Good morning 🤚On question 10(b) Why did we need to take the second derivative to establish the nature of the turning point?

[WalderFrey]

For the last question, why did u sub in x= 2 and -2 to the equation of the circle intersection with line L, and not the equation of the circle as it is?

[elleward]

Hi! Thank you so much for the video it's been a massive help revising for my AS mocks.
Just one really quick question, at 5:30 where did X=0.001 come from?

[beccapettit]

For question 7b why do we integrate at 1 and 0 if A is 2