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>>Class 11
>>Applied Mathematics
>>Relations
>>Cartesian product of sets
>> $If A \times B = { (p,q), (p,r), (m,q), (m,r)$

Question

If $A \times B = {(p, q), (p, r), (m, q), (m, r)}$
Find A and B

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Solution

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$A =$ set of first elements $= {p, m}$
$B =$ set of second elements $= {q, r}$

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