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Check the injectivty and surjectiveity of the following functions : (i)f : N to Ngiven by f (x) = x ^(2) (ii) f :Z to Z given by f (x) = x ^(2) |
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Answer» (ii) Neither injective nor surjective (iii) Neither injective nor surjective (iv) Injective but not surjective (v) Injective but not surjective |
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