1.2 · Sets and Venn diagramsLesson 7 of 13
Union of sets
A ∪ B holds everything in A or in B or in both, and each element is written only once.
Locked
Unlock the rest of Cambridge O Level Mathematics: Sets, Probability and Statistics (4024).
- Every lesson, every resource, unlocked instantly.
- Track progress and pick up where you left off.
- Free preview lessons stay readable from the outline.