Question

13. Let A and B be two sets containing 2 elements and
elements respectively. The number of subsets of AxB
having 3 or more elements is
1) 219
2) 211 3) 256 4) 220​

Answer 1

Answer:

8

Step-by-step explanation:

number of elements in AxB = 4x2 = 8. number of subsets of AxB having 3 elements is same as choosing 3 elements from the 8. i.e. . Therefore, total elements in A×B are 8.

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