Question: Let A and B be two finite sets with |A| |B| and f be a function from A to B. show that if f

Let A and B be two finite sets with |A| |B| and

Let A and B be two finite sets with |A| |B| and f be a function from A to B. show that if f is an injective (one-to-one) function then it is also a surjective function.

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