3.2 Compulsory content

3.2.1 A: Proof

 Content
A1Construct proofs using mathematical induction; contexts include sums of series, divisibility, and powers of matrices.

3.2.2 B: Complex numbers

 Content
B1Solve any quadratic equation with real coefficients; solve cubic or quartic equations with real coefficients (given sufficient information to deduce at least one root for cubics or at least one complex root or quadratic factor for quartics).
 Content
B2Add, subtract, multiply and divide complex numbers in the form x+ iy with x and y real; understand and use the terms ‘real part’ and ‘imaginary part’.
 Content
B3Understand and use the complex conjugate; know that non-real roots of polynomial equations with real coefficients occur in conjugate pairs.
 Knowledge/skill
B4Use and interpret Argand diagrams.
 Content
B5Convert between the Cartesian form and the modulus-argument form of a complex number (knowledge of radians is assumed).
 Content
B6Multiply and divide complex numbers in modulus-argument form (knowledge of radians and compound angle formulae is assumed).
 Content
B7Construct and interpret simple loci in the Argand diagram such as z-a>r and arg (z-a)=θ (knowledge of radians is assumed).

3.2.3 C: Matrices

 Content
C1Add, subtract and multiply conformable matrices; multiply a matrix by a scalar.
 Content
C2Understand and use zero and identity matrices.
 Content
C3Use matrices to represent linear transformations in 2D; successive transformations; single transformations in 3D (3D transformations confined to reflection in one of x = 0, y = 0, z = 0 or rotation about one of the coordinate axes) (knowledge of 3D vectors is assumed).
 Content
C4Find invariant points and lines for a linear transformation.
 Content
C5Calculate determinants of 2 × 2 matrices.
 Content
C6

Understand and use singular and non-singular matrices; properties of inverse matrices.

Calculate and use the inverse of non-singular 2 × 2 matrices.

3.2.4 D: Further algebra and functions

 Content
D1Understand and use the relationship between roots and coefficients of polynomial equations up to quartic equations.
 Content
D2Form a polynomial equation whose roots are a linear transformation of the roots of a given polynomial equation (of at least cubic degree).
 Content
D3Understand and use formulae for the sums of integers, squares and cubes and use these to sum other series.
 Content
D4Understand and use the method of differences for summation of series.
 Content
D6Recognise and use the Maclaurin series for ex , ln(1+x) ,  sinx , cosx , and (1+x)n , and be aware of the range of values of x for which they are valid (proof not required).
 Content
D8Inequalities involving polynomial equations (cubic and quartic).
 Content
D9Solving inequalities such as ax+bcx+d<ex+f algebraically.
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D12Graphs of rational functions of form ax+bcx+d ; asymptotes, points of intersection with coordinate axes or other straight lines; associated inequalities.
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D13Graphs of rational functions of form ax2+bx+cdx2+ex+f , including cases when some of these coefficients are zero; asymptotes parallel to coordinate axes.
 Content
D14Using quadratic theory (not calculus) to find the possible values of the function and coordinates of the stationary points of the graph for rational functions of form ax2+bx+cdx2+ex+f
 Content
D15

Sketching graphs of curves with equation y2=4ax , x2a2+y2b2=1 , x2a2-y2b2=1 , xy=c2 including intercepts with axes and equations of asymptotes of hyperbolas.

 Content
D16

Single transformations of curves involving translations, stretches parallel to coordinate axes and reflections in the coordinate axes and the lines y=±x .

3.2.5 E: Further calculus

 Content
E2Derive formulae for and calculate volumes of revolution.
 Content
E3Understand and evaluate the mean value of a function.

3.2.6 F: Further vectors

 Content
F1Understand and use the vector and Cartesian forms of an equation of a straight line in 3D.
 Content
F3Calculate the scalar product and use it to calculate the angle between two lines.
 Content
F4Check whether vectors are perpendicular by using the scalar product.
 Content
F6

Find the intersection of two lines.

Calculate the perpendicular distance between two lines and from a point to a line.

3.2.7 G: Polar coordinates

 Content
G1Understand and use polar coordinates and be able to convert between polar and Cartesian coordinates.
 Content
G2Sketch curves with r given as a function of θ , including use of trigonometric functions.

3.2.8 H: Hyperbolic functions

 Content
H1Understand the definitions of hyperbolic functions sinh x , cosh x and tanh x , and be able to sketch their graphs.
 Content
H3Understand and be able to use the definitions of the inverse hyperbolic functions.
 Content
H4Derive and use the logarithmic forms of the inverse hyperbolic functions.
 Content
H6

Understand and use tanhxsinhxcoshx

Understand and use cosh2x-sinh2x1