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Functions question

2019 · 8 Apr · Shift 1 · Q29
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  5. /2019 · 8 Apr · Shift 1 · Q29

Functions question

2019 · 8 Apr · Shift 1 · Q29

JEE MainMathematicsFunctionsMCQ+4 / −1
If f(x)=log⁡e(1−x1+x)f(x) = {\log _e}\left( {{{1 - x} \over {1 + x}}} \right)f(x)=loge​(1+x1−x​), ∣x∣<1\left| x \right| \lt 1∣x∣<1 then f(2x1+x2)f\left( {{{2x} \over {1 + {x^2}}}} \right)f(1+x22x​) is equal to
  1. A
    2f(x2)
  2. B
    2f(x)
  3. C
    (f(x))2
  4. D
    -2f(x)
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