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Functions question

2019 · 9 Apr · Shift 1 · Q31
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  5. /2019 · 9 Apr · Shift 1 · Q31

Functions question

2019 · 9 Apr · Shift 1 · Q31

JEE MainMathematicsFunctionsMCQ+4 / −1
If the function ƒ : R – {1, –1} →\to→ A defined by ƒ(x) = x21−x2{{{x^2}} \over {1 - {x^2}}}1−x2x2​ , is surjective, then A is equal to
  1. A
    R – (–1, 0)
  2. B
    R – {–1}
  3. C
    R – [–1, 0)
  4. D
    [0, ∞\infty∞)
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