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If f(x) =ln ((x^2 + e)/(x^2 + 1)), then ...

If `f(x) =ln ((x^2 + e)/(x^2 + 1))`, then range of f(x) is

A

(0, 1)

B

[0, 1}

C

[0, 1)

D

(0, 1]

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The correct Answer is:
D
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