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The mapping f : N to N given by f(n)=1+n...

The mapping f : `N to N` given by `f(n)=1+n^(2), n in N`, where N is the set of natural numbers, is

A

one-one and onto

B

onto but not one-one

C

one-one but not onto

D

Neither one-one nor onto

Text Solution

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The correct Answer is:
C
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