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Union

Find the unio...

Question

Find the union and intersection of the following pair of sets
$A = {2, 3, 5, 6, 7}; B = {4, 5, 7, 8}$

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Solution

$\begin{matrix} A = 2, 3, 5, 6 B = 4, 5, 7, 8 A \cup B = {2, 3, 4, 5, 6, 7, 8} A \cap B = {5, 7} \cup \to f o r a l l, \cap \to f o r c o m m o n e l e m e n t s . \end{matrix}$

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