Let A={3,6,9,12,15,18,21}, B={4,8,12,16,20}, C={2,4,6,8,10,12} and D={5,10,15,20}. Find | A-B | A-C

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Let A={3,6,9,12,15,18,21}, B={4,8,12,16,20}, C={2,4,6,8,10,12} and D={5,10,15,20}.
Find
(i) A-B (ii) A-C (iii) A-D
(iv) B-A (v) C-A (vi) D-A
(vii) B-C (viii) B-D (ix) C-B
(x) D-B (xi) C-D (xii) D-C

Laws of Operation on Sets | Commutative Law | Associative Law | Laws of identity | Law of idempotent | Distributive Law

Sets | Set representation | Roster form | tabular form | set-builder form | Introduction | Maths
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