Question

If n(A) = 3, n(B) = 6 and A is a subset or equal to B, then the number of elements in A u B are. ​

Answer 1

Step-by-step explanation:

If all the elements of set A are different than set B.

Then the maximum no. of elements in set A∪B will be 6+3=9.

If however, Set A is a subset of B, then the total number of elements in set A∪B will be n(B)=6.

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