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Let F : X to X be such that f(f(x))=...

Let `F : X to X ` be such that ` f(f(x))=x` for all `x in X and X sube R ` , then

A

f is one to one

B

f is onto

C

f is one -to- one but not onto

D

f is onto but not one -to-one

Text Solution

Verified by Experts

The correct Answer is:
A, B
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