If A = { x,y} and B = { 3,4,5,7,9} and...

If ` A = { x,y} and B = { 3,4,5,7,9} and C = { 4,5,7,6,7} , ` find A ` xx ( B nn C).`

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The correct Answer is:

` { (x,4) ,(x,5),(x,7),(y,4),(y,5) ,(y,7)}`

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