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If A={3,4} and B={2,3,4}, then evaluate ...

If `A={3,4} and B={2,3,4}`, then evaluate `AxxB`.

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The correct Answer is:
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`AxxB={3,4}xx{2,3,4}`
`={(3,2),(3,3),(3,4),(4,2),(4,3),(4,4)}`.
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