Mathematics · 2025
JEE Main · 24 January 2025, Shift 2 · Q1
The function f:(-∞, ∞) →(-∞, 1), defined by f(x)=(2^x-2^-x)/(2^x+2^-x) is:
The function $\displaystyle f:(-\infty, \infty) \rightarrow(-\infty, 1)$, defined by $\displaystyle f(x)=\frac{2^x-2^{-x}}{2^x+2^{-x}}$ is :
Official answer
From NTA’s final answer key for this paper.
(3)
One-one but not onto
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JEE Main 2025 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.