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Software/Applets used on this page

jsMath
This page uses jsMath
You can get a better display of the maths by downloading special TeX fonts from jsMath. In the meantime, we will do the best we can with the fonts you have, but it may not be pretty and some equations may not be rendered correctly.

Glossary

union

The union of two sets A and B is the set containing all the elements of A and B.

Full Glossary List

This question appears in the following syllabi:

SyllabusModuleSectionTopic
AP Calculus AB (USA)1Exponentials and logsLogarithms & exponentials
AP Calculus BC (USA)1Exponentials and logsLogarithms & exponentials
AQA A-Level (UK - Pre-2017)C2Exponentials and logsLogarithms & exponentials
AQA AS Maths 2017Pure MathsExponentials and LogarithmsFurther Log Equation Solving
AQA AS/A2 Maths 2017Pure MathsExponentials and LogarithmsFurther Log Equation Solving
CBSE X (India)AlgebraSimultaneous equationsAlgebraic solutions
CCEA A-Level (NI)C2Exponentials and logsLogarithms & exponentials
CIE A-Level (UK)P2Exponentials and logsLogarithms & exponentials
F Exponentials and LogarithmsF5 Solving Exponential EquationsSolving Exponential Equations
Edexcel A-Level (UK - Pre-2017)C2Exponentials and logsLogarithms & exponentials
Edexcel AS Maths 2017Pure MathsExponentials and LogarithmsFurther Log Equation Solving
Edexcel AS/A2 Maths 2017Pure MathsExponentials and LogarithmsFurther Log Equation Solving
I.B. Higher Level1Exponentials and logsLogarithms & exponentials
I.B. Standard Level1Exponentials and logsLogarithms & exponentials
Methods (UK)M2Exponentials and logsLogarithms & exponentials
OCR A-Level (UK - Pre-2017)C2Exponentials and logsLogarithms & exponentials
OCR AS Maths 2017Pure MathsExponentials and LogarithmsFurther Log Equation Solving
OCR MEI AS Maths 2017Pure MathsExponentials and LogarithmsFurther Log Equation Solving
OCR-MEI A-Level (UK - Pre-2017)C2Exponentials and logsLogarithms & exponentials
Pre-Calculus (US)C5Exponentials and logsLogarithms & exponentials
Pre-U A-Level (UK)1Exponentials and logsLogarithms & exponentials
Scottish (Highers + Advanced)HM3Exponentials and logsLogarithms & exponentials
Scottish HighersM3Exponentials and logsLogarithms & exponentials
Universal (all site questions)EExponentials and logsLogarithms & exponentials
WJEC A-Level (Wales)C2Exponentials and logsLogarithms & exponentials