What is the cardinality of the set A - B -

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Standard VI

Mathematics

Cardinality

What is the c...

Question

What is the cardinality of the set A $\cup$ B ?
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Solution

With respect to the above venn diagram, we have

A = {1, 2, 3, 4, 5, 8}
B = {4, 6, 7, 8, 9, 10}

Union of two sets contains members which belong to any one of the two sets or both.

A $\cup$ B = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}

Therefore, n(A $\cup$ B) = 10

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What is the cardinality of the set A ∪ B ? ___

With respect to the above venn diagram, we have A = {1, 2, 3, 4, 5, 8} B = {4, 6, 7, 8, 9, 10} Union of two sets contains members which belong to any one of the two sets or both. A ∪ B = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} Therefore, n(A ∪ B) = 10

What is the cardinality of the set A $\cup$ B ?
___

With respect to the above venn diagram, we have

A = {1, 2, 3, 4, 5, 8}
B = {4, 6, 7, 8, 9, 10}

Union of two sets contains members which belong to any one of the two sets or both.

A $\cup$ B = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}

Therefore, n(A $\cup$ B) = 10