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JEEMathsSets & StatisticsClass 11

What is the difference between union (A∪B) and intersection (A∩B)?

The union is everything in A OR B (or both); the intersection is only what's in A AND B — the shared overlap.

The union is everything in A OR B (or both); the intersection is only what's in A AND B — the shared overlap. A reliable way to keep them apart is to focus on what each one is defined by, not just the similar-sounding words.

Key point

union (A∪B) vs intersection (A∩B)

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