O-Level A-Maths (4047) 2020 Paper 2 (video solutions), Singapore • Achevas® TV

Pure Maths		Statistics
Graphs & Functions Graphing Techniques Inequalities Functions System of Linear Equations Series & Sequences AP + GP Summation Differentiation Differentiation - Techniques Differentiation - Applications Binomial Expansion Maclaurin's Series	Integration Integration - Techniques Integration - Areas + Volumes Differential Equations Vectors Vectors - 3D Manipulations Vectors - Products Vectors - Lines + Planes Complex Numbers Complex Numbers - Cartesian Complex Numbers - Non-Cartesian	Permutations + Combinations Permutations + Combinations Probability Probability Random Variables Discrete Random Variables Probability Distribution Models Binomial Distribution Normal Distribution	Sampling Sampling Theory Hypothesis Testing Linear Correlation + Regression Linear Correlation + Regression

Q1 Trigonometry 8 marks Difficulty: Moderate	Q2 Quadratic Equations 9 marks Difficulty: Moderate	Q3 Binomial Expansion 6 marks Difficulty: Challenging
Q4 Proof In Plane Geometry 5 marks Difficulty: Moderate	Q5 Quadratic Inequalities 8 marks Difficulty: Moderate	Q6 Linear Law 9 marks Difficulty: Moderate
Q7 Integration 11 marks Difficulty: Challenging	Q8 Logarithmic Functions, Exponential Functions 10 marks Difficulty: Moderate	Q9 Coordinate Geometry - Lines + Rectilinear Figures 11 marks Difficulty: Challenging
Q10 Differentiation, Integration 12 marks Difficulty: Challenging	Q11 Differentiation 11 marks Difficulty: Challenging