Question

let A, B are
two sets such that n(A) = 5 n(B) = 7 then
find maximum
number of elements in AUB.​

Answer 1

Answer:

$12$

Step-by-step explanation:

$if \: \: n(A) = 5 \: \: and \: \: n(B) = 7$

$maximum \: \: no.of \: \: elements \: \: in \: \: AUB\\ are \: \: (5 + 7) = 12$

$minimum \: \: no.of \: \: elements \: \: in \: \: AUB \: \: \\ are \: \: 7$

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