If A = (1, 2, 3, 4, 5), B = (3, 4, 7, 8) then find A $⋃$ B andA $⋂$ B

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Solution

A = {1, 2, 3, 4, 5} and B = {3, 4, 7, 8}

Therefore,

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

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

$A \cap B$ = {1, 2, 3, 4, 5} $\cap$ {3, 4, 7, 8}

$A \cap B$ = {3, 4}

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Q. If

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If
A = {1, 2, 3, 4}

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If A = (1, 2, 3, 4, 5), B = (3, 4, 7, 8) then find A⋃B andA⋂B

A = {1, 2, 3, 4, 5} and B = {3, 4, 7, 8}Therefore,A∪B = {1, 2, 3, 4, 5} ∪ {3, 4, 7, 8}A∪B = {1, 2, 3, 4, 5, 7, 8}A∩B = {1, 2, 3, 4, 5} ∩ {3, 4, 7, 8}A∩B = {3, 4}

If A = (1, 2, 3, 4, 5), B = (3, 4, 7, 8) then find A $⋃$ B andA $⋂$ B

A = {1, 2, 3, 4, 5} and B = {3, 4, 7, 8}

Therefore,

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

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

$A \cap B$ = {1, 2, 3, 4, 5} $\cap$ {3, 4, 7, 8}

$A \cap B$ = {3, 4}