1.

If A={1,2,3},B={4,5,6,7,8}, C={4,8,12,16,20}, then n[(A×B)∪(A×C)]=

Answer»

If A={1,2,3},B={4,5,6,7,8}, C={4,8,12,16,20}, then n[(A×B)(A×C)]=



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