Sets A and B have 3 and 6 elements respectively. what can be the minimum number of elements in AUB

Nurdglaw asked Jul 23, 2022

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Nurdglaw asked Jul 23, 2022

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20 votes

Answer:

Explanation:

n(AUB) = n(A) + n(B) - n(AnB)

n(AUB) can have the minimum number of elements if n(AnB) has the maximum number of elements.

n(AnB) maximum = 3

so n(AUB) = 3+6-3 = 6

Thealexbaron answered Jul 29, 2022

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