SkoolGenie
Revision Bank
Class 11Mathematics · Ch 1JEE

Sets

SetsSets and representation (1.1-1.2)–Well-defined collectionRoster form–Standard sets N, Z, Q, R, TSet-builder formEmpty, finite, infinite, equal (1.3-1.5)–Empty set ∅Finite vs infinite–Singleton setEqual setsSubsets, intervals, power set (1.6)–A ⊆ B and proper subset–∅ ⊆ A alwaysIntervals of R–Bracket ruleInfinite intervalsPower set P(A)Universal set & Venn diagrams (1.7-1.8)–Universal set UVenn diagram–Regions for two setsOperations on sets (1.9)–Union A ∪ BIntersection A ∩ BDifference A − BLaws of algebra of sets–Distributive both waysCounting n(A ∪ B)Complement of a set (1.10)–A′ = U − AComplement lawsDe Morgan's laws–Verify with finite setsExam focus–Subset countingSurvey word problems

tap = open · ⊖ = fold · hold = got it

Tap a topic to open its note and lectures; tap its little circle to fold the branch. Hold it (or double-tap) when you can explain it without looking. That marks it got it and schedules it for spaced revision.

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Map yaad hai? Tap a card to check yourself, ★ to keep it.