JEE Main 20199 Jan, Evening shiftMathematicsMediumSets, Relations and Functions168× since 2002Let A = {x ∈\in∈ R : x is not a positive integer}. Define a function fff : A →\to→ R as f(x)f(x)f(x) = 2xx−1{{2x} \over {x - 1}}x−12x, then fff is :AOption A. not injectiveBOption B. neither injective nor surjectiveCOption C. surjective but not injectiveDOption D. injective but not surjectiveCheckSkip · show solution
