O-Level A-Maths (4047) 2015 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 Exponential Functions, Integration 6 marks Difficulty: Easy	Q2 Differentiation, Integration 8 marks Difficulty: Easy	Q3 Differentiation 9 marks Difficulty: Easy
Q4 Binomial Expansion 9 marks Difficulty: Easy	Q5 Surds 9 marks Difficulty: Moderate	Q6 Differentiation 9 marks Difficulty: Easy
Q7 Circles 9 marks Difficulty: Moderate	Q8 Polynomials, Partial Fractions 10 marks Difficulty: Easy	Q9 Trigonometry 10 marks Difficulty: Easy
Q10 Quadratic Equations 10 marks Difficulty: Easy	Q11 Linear Law 11 marks Difficulty: Moderate