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Functions question

2019 · 9 Jan · Shift 1 · Q32
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  2. /JEE Main
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  5. /2019 · 9 Jan · Shift 1 · Q32

Functions question

2019 · 9 Jan · Shift 1 · Q32

JEE MainMathematicsFunctionsMCQ+4 / −1
For x∈R−{0,1}x \in R - \left\{ {0,1} \right\}x∈R−{0,1}, Let f1(x) = 1x1\over xx1​, f2 (x) = 1 – x and f3 (x) = 11−x1 \over {1 - x}1−x1​ be three given functions. If a function, J(x) satisfies (f2 o J o f1) (x) = f3 (x) then J(x) is equal to :
  1. A
    f1 (x)
  2. B
    1x1 \over xx1​ f3 (x)
  3. C
    f2 (x)
  4. D
    f3 (x)
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