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Let f: (e, oo) -> R be defined by f(x) =...

Let `f: (e, oo) -> R` be defined by `f(x) =ln(ln(In x))`, then

A

f is one one but not onto

B

f is onto but not one – one

C

f is one–one and onto

D

f is neither one–one nor onto

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The correct Answer is:
C
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