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Let A={1,2,3} ,B={4,5,6} and f:A rarr B ...

Let `A={1,2,3} ,B={4,5,6} and f:A rarr B` be the mapping defined by, `f={(1,4},(2,5),(3,6)}`. Show that, `f` is a bijective mapping

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`f: A rarr B` is a bijective mapping.
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