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The function f : R -> R defined as f (x...

The function `f : R -> R` defined as `f (x) =1/2 In (sqrt(sqrt(x^2+1)+x) + sqrt(sqrt(x^2+1)-x))` is (a)one-one and onto both (b)one-one but not onto (c)onto but not one-one (d)Neither one-one nor onto

A

one-one and onto both

B

one-one but not onto

C

onto but not one-one

D

Neither one-one nor onto

Text Solution

Verified by Experts

The correct Answer is:
D
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