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Further Pure Mathematics 2
/
Complex numbers
Contents
Multiple angles and polynomial equations
Practise Complex numbers
Contents
All chapters
Further Mathematics · 9231
Further Pure Mathematics 2
Chapter 05 · Complex numbers
Trigonometric identities
Multiple angles and polynomial equations
01
Hyperbolic functions
Definitions and graphs
2
Understanding sinh and cosh
Tanh and the reciprocal functions
Identities and equations
3
The basic hyperbolic identities
Addition and double-input identities
Solving hyperbolic equations
Inverse functions
3
Understanding inverse hyperbolic functions
Deriving logarithmic forms
Inverse sech, cosech and coth
Graph transformations
1
Graph transformations and mixed questions
02
Matrices 2
Eigenvalues and eigenvectors
4
Understanding eigenvectors
Finding eigenvalues and eigenvectors
Three-by-three matrices
Eigenvalues of related matrices
Diagonalisation and powers
3
Understanding diagonalisation
Calculating matrix powers
The Cayley–Hamilton theorem
Systems of equations
2
Solving three linear equations
Solutions, parameters and planes
03
Differentiation
Second derivatives
2
Implicit second derivatives
Parametric second derivatives
Hyperbolic and inverse derivatives
3
Hyperbolic derivatives
Inverse trigonometric derivatives
Inverse hyperbolic derivatives
Maclaurin series
3
Building a Maclaurin polynomial
Using known series
Series from derivative relations
04
Integration
Integration methods
4
Hyperbolic integrals
Integrals with square roots
Integrals with quadratic denominators
Parts and further substitutions
Reduction formulae
2
Trigonometric reduction formulae
Other reduction formulae
Arc length and surface area
3
Cartesian and parametric arc length
Polar arc length
Surface area of revolution
Sums and integrals
2
Integral bounds for sums
Limits of sums
05
Complex numbers
Complex forms and powers
2
Complex numbers as lengths and angles
De Moivre's theorem
Trigonometric identities
2
Multiple angles and polynomial equations
Powers of sine and cosine
Complex roots
2
Roots of unity
Complex roots and rational powers
Trigonometric sums
2
Finite trigonometric sums
Weighted and binomial sums
06
Differential equations
First-order linear equations
2
Why integrating factors work
Choosing an integrating factor
Homogeneous second-order equations
3
The auxiliary equation
Repeated roots
Complex roots and oscillation
Particular integrals
2
Complementary functions and particular integrals
When a PI trial is already in the CF
Substitutions
3
First-order substitutions
Substituting for the dependent variable
Changing the independent variable
Initial conditions and models
1
Initial conditions and models