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mathmath333
 one year ago
If A × B ={(p, q),(p, r), (m, q), (m, r)}, find A and B.
mathmath333
 one year ago
If A × B ={(p, q),(p, r), (m, q), (m, r)}, find A and B.

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i can help you if you help me

amilapsn
 one year ago
Best ResponseYou've already chosen the best response.1This is just using the definition of the Cartesian product of sets

amistre64
 one year ago
Best ResponseYou've already chosen the best response.0define AnB? or define the set A, and define the set B?

amilapsn
 one year ago
Best ResponseYou've already chosen the best response.1I think here and isn't mathematical \(\cap\)

amistre64
 one year ago
Best ResponseYou've already chosen the best response.0the set "A and B" is ambiguous

mathmath333
 one year ago
Best ResponseYou've already chosen the best response.0answer is given as A = set of first elements = {p, m} B = set of second elements = {q, r}. i dont know how that came ?

amistre64
 one year ago
Best ResponseYou've already chosen the best response.0stack the ordered pairs, A is on the left, and B is on the right by definition of their cross operation

amistre64
 one year ago
Best ResponseYou've already chosen the best response.0youll see that A has 2 elements, and B has 2 elements ...

amilapsn
 one year ago
Best ResponseYou've already chosen the best response.1It's just definition of catesian product of sets dr

mathmath333
 one year ago
Best ResponseYou've already chosen the best response.0yes but how to see that in reverse

amilapsn
 one year ago
Best ResponseYou've already chosen the best response.1Just take A={1,2,3} and B={4,5,6} for instance...

amilapsn
 one year ago
Best ResponseYou've already chosen the best response.1then what would A x B be?

amilapsn
 one year ago
Best ResponseYou've already chosen the best response.1By observing that you'll be able to figure out the reverse.... Cheers!!
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