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A function f from the set of natural num...

A function f from the set of natural number to integers defined by
`f(n)={{:(,(n-1)/(2),"when n is odd"),(,-(n)/(2),"when n is even"):}`

A

One-one but not onto

B

Onto but not one-one

C

One-one and onto both

D

Neither one-one nor onto

Text Solution

Verified by Experts

The correct Answer is:
C
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