1.

Let f : N → N be defined byfn=n+1, if n is oddn-1, if n is evenShow that f is a bijection. [CBSE 2012, NCERT]

Answer» Let f : N N be defined by



fn=n+1, if n is oddn-1, if n is even



Show that f is a bijection. [CBSE 2012, NCERT]


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