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2. Show that the function f:N→Q defined by f(n) = is injective but not surjective.

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Let f: IN Q by f(n) = 1/2 min E iN be such that fcm) = f(n) the Heart Taking reciprocals, man t is injective. I nein Note tha

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2. Show that the function f:N→Q defined by f(n) = is injective but not surjective.
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