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Let f:NtoNdefined by : f(n)={:{((n+1)/(2...

Let `f:NtoN`defined by :
`f(n)={:{((n+1)/(2) "if n is odd"),((n)/(2) "if n is even"):}`

A

Onto but not one-one

B

one-one and onto

C

neither one-one not onto

D

one-one but not onto

Text Solution

Verified by Experts

The correct Answer is:
A
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