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Question

If A={1,2}.Find A×A×A

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Solution

We have A={1,2}
A×A={1,2}×{1,2}
={(1,1),(1,2),(2,1),(2,2)}
A×A×A={(1,1),(1,2),(2,1),(2,2)}×{1,2}
={((1,1),1),((1,2),1),((2,1),1),((2,2),1),((1,1),2),((1,2),2),((2,1),2),((2,2),2)}

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