CBSE Class 11-science Maths Sets
There are two ways of representing a set : Roster Form and Set Builder Form.
Sets with definite elements are finite and others are infinite.
Equal sets have exactly same elements. A set which does not contains elements is called empty set .
Subsets and Supersets
Operations on Sets
Intersection of two sets A and B is the set of all elements common to both the sets.
Sets and operations on sets can be represented diagrammatically using Venn diagrams.
Sets which do not have any common elements are said to be disjoint.
Algebra of Sets
The set A - B is null set when A is subset of B and the set B U A = B when B contains A.
De'Morgan's Law states that the complement of the union of two sets is the intersection of their complements and the complement of intersection of two sets is the union of their complements.
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