Course map
The nature of proof
- LessonPractice
The language of proof
Year 12 · syllabus outcome ME2-12-01- Write negations, converses and contrapositives, and use quantifiers correctly
- Prove statements directly and by contradiction
- Test statements with examples and counterexamples
- LessonPractice
Proving inequalities
Year 12 · syllabus outcome ME2-12-01- Prove inequalities from squares, the triangle inequality and AM-GM
- Prove inequalities in geometry and with calculus
- Use the squeeze theorem
- LessonPractice
Further mathematical induction
Year 12 · syllabus outcome ME2-12-01- Prove identities and inequalities by induction
- Prove calculus results and results about recursive formulas by induction
- Write the base case, inductive step and conclusion in full
Further work with vectors
- LessonPractice
Vector equations of lines and curves
Year 12 · syllabus outcome ME2-12-02- Write and use vector equations of lines in two and three dimensions
- Decide whether lines are parallel, intersect or are skew
- Move between vector and Cartesian equations of curves, circles and spheres
- LessonPractice
Vectors and geometry
Year 12 · syllabus outcome ME2-12-02- Use the properties of the scalar product
- Prove and use the Cauchy-Schwarz inequality
- Prove geometric results with vectors
Introduction to complex numbers
- LessonPractice
Complex numbers: arithmetic and polar form
Year 12 · syllabus outcome ME2-12-03- Calculate with complex numbers in Cartesian form, including division and square roots
- Find the modulus and principal argument and move between Cartesian and polar form
- Prove and use the modulus, argument and conjugate identities
- LessonPractice
Complex equations, de Moivre and roots
Year 12 · syllabus outcome ME2-12-03- Solve quadratics with complex coefficients and use the conjugate root theorem
- Use de Moivre's theorem for powers and trigonometric identities
- Find nth roots of complex numbers and place them on the complex plane
- LessonPractice
Complex numbers in geometry
Year 12 · syllabus outcome ME2-12-03- Interpret addition and multiplication of complex numbers as vectors, rotations and enlargements
- Prove geometric results with complex numbers
- Describe lines, circles, rays and regions in the complex plane
Further integration
- LessonPractice
Trigonometric integrals and substitution
Year 12 · syllabus outcome ME2-12-04- Use products as sums and the t-formulas in equations and integrals
- Integrate by substitution, given or chosen
- Evaluate definite integrals after a substitution, changing the limits
- LessonPractice
Partial fractions, parts and recurrences
Year 12 · syllabus outcome ME2-12-04- Integrate rational functions with partial fractions and by completing the square
- Integrate by parts, more than once where needed
- Derive and use recurrence formulas, and join techniques
Applications of calculus to mechanics
- LessonPractice
Forces and motion without resistance
Year 12 · syllabus outcome ME2-12-05- Use the forms of acceleration and Newton's laws
- Resolve forces, including on smooth inclined planes
- Solve problems with a single smooth pulley
- LessonPractice
Simple harmonic motion
Year 12 · syllabus outcome ME2-12-05- Prove that a motion is simple harmonic
- Find amplitude, period, centre, speed and acceleration
- Use v^2 = n^2(A^2 - (x - c)^2) and the displacement equations
- LessonPractice
Resisted motion and projectiles
Year 12 · syllabus outcome ME2-12-05- Derive and use equations for rectilinear and vertical resisted motion
- Find terminal velocity, greatest height and time to greatest height
- Analyse projectiles with resistance proportional to the speed
The examination
NSW HSC Mathematics Extension 2, a Year 12 course. Mathematics Advanced and Extension 1 are assumed knowledge. School-based assessment is set by your school, so it is described in a lesson rather than practised here.