Home
Learn
Practise

Algebra & functions

Graphs & transformations
Linear systems
Inequalities
Functions

Calculus

Differentiation
Applications of differentiation
Integration techniques
Applications of integration
Series expansion
Differential equations

Further topics

Vectors
Arithmetic & geometric progressions
Recurrence relations
Sigma notation
Complex numbers

PorismaQuestion bank

← Return to your question

Question bank
Methods
Absolute-value substitution

Method

Absolute-value substitution

1 question · 1 topic

Replace the input by its magnitudeInequalities