11. If A = {1, 3, 5, 7, 9}, B = {2, 4, 6, 8, 10), and C = {3, 6, 12, 18, 21}, then prove the
commutative property of intersection of sets.
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Answer:
Step-by-step explanation:
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Answer:
An(BnC) =(AnB)nC
Step-by-step explanation:
i) An(BnC) :
BnC={2,4,6,8,10}n{3,6,12,18,21}
{6}
An(BnC)={1,3,5,7,9}n{6}
={}
ii) (AnB)nC :
AnB={1,3,5,7,9}n{2,4,6,8,10}
{}
(AnB)nC={}n{3,6,12,18,21}
={}
(AnB)nC=An(BnC)
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