If A and B are disjoint sets then-nA - B-A- nA-nBB- nA-nBC- phi D- nA-nB-nA B

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Cardinality of Sets

If A and B ar...

Question

If A and B are disjoint sets then,

n(A U B) = ____.

n(A) + n(B)

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n(A) - n(B)

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

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phi

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Solution

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Similar questions

If A and B are two disjoint sets, then $n (A \cup B)$ is equal to

n (A \cup B)

n (A \cup B)

\cap

n (A \cup B)

n (A) + n (B)

n (A) + n (B) - n (A \cap B)

n (A) + n (B) + n (A \cap B)

n (A) n (B)

n (A) - n (B)

A

B

A \subset B,

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