If the function f : R → R be such that f (x) = x – [x], where [x] denotes the greatest…
Mathematics · JEE Advanced · NTA Exams — Sets, Relations and Functions
If the function f : R → R be such that f (x) = x – [x], where [x] denotes the greatest integer less than or equal to x, then f –1 (x) is
- \(\frac{1}{x-[x]}\)
- [x] – x
- not defined
- none of these
Answer
(C) not defined
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