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JEE Main 2019 · 9 Apr · Shift I

JEE Main 2019 Mathematics question on Sets Relations and Functions

If the function f:R−{−1,1}→Af: \mathbf{R} - \{-1, 1\} \to A defined by f(x)=x21−x2f(x) = \dfrac{x^2}{1 - x^2}, is surjective, then AA is equal to
  1. A.
    R−{−1}\mathbf{R} - \{-1\}
  2. B.
    [0,∞)[0, \infty)
  3. C.
    R−[−1,0)\mathbf{R} - [-1, 0)
  4. D.
    R−(−1,0)\mathbf{R} - (-1, 0)
Show answer

Correct option: C

[JEE Main 2019 · 9 Apr · Shift I]

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