WBJEE 2024 Math Paper

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Question : 27 of 75

Marks: +1, -0

Let f:ℝ⟶ℝ be a function defined by f(x)=‌

e|x|−e−x

ex+e−x

, then

f is both one-one and onto
f is one-one but not onto
f is onto but not one-one
f is neither one-one nor onto

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