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If: AxxB={(1,1),(1,2),(1,3),(2,1),(2,2),...

If: `AxxB={(1,1),(1,2),(1,3),(2,1),(2,2),(2,3)}`, then: `A=`

A

`{1,2,3}`

B

`{1,2}`

C

`{1,3}`

D

`{2,3}`

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The correct Answer is:
B
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