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Question

State if True or False.The number of elements in each of universal set , set A and set B are represented as n(U), n(A), n(B) respectively. The number of elements that are not in set A and not in set B is given by n(U) - n(A U B)


A

n(AI U BI)

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B

n(A B)I

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Solution

The correct option is A

n(AI U BI)


True.
No of elements not in set A and not in set B is represented in set notation as AI BI.

So, n(AI BI) = n(A U B)I

= n(U) - n(A U B)


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