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Sets, Relations and Functions
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Sets and their representation; Union, intersection and complement of sets and their algebraic properties; Power set; Relation, Types of relations, equivalence relations, functions;.
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n(a)=3,n(b)=4 then number of injections
Answer
about 12 years ago
Shivani
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for A->B no. of injections,i.e., one-one functions are (4*3*2 or 4P3) =24
about 12 years ago
Chanchal
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