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Question

If A and B are disjoint sets then,

n(A U B) = ____.


A

n(A) + n(B)

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B

n(A) - n(B)

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C

n(A) + n(B) - n(AB)

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D

phi

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Solution

The correct option is A

n(A) + n(B)


n(A)+n(B)


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