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பின்வருவனவற்றிற்க்கு A x B, A x A மற்றும...

பின்வருவனவற்றிற்க்கு A x B, A x A மற்றும் B x A ஐக் காண்க. `A = {m, n} , B = phi`

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The correct Answer is:
`A xx B = {}; A xx A = {(m, m), (m, n), (n, m), (n, n)}; B xx A = {}`
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