If f ( x )= 1 | x |- x , then domain of f (x) is
Mathematics · JEE Main · NTA Exams — Sets, Relations and Functions
If \(\mathrm{f}(\mathrm{x})=\frac{1}{\sqrt{|\mathrm{x}|-\mathrm{x}}},\)then domain of f (x) is
- (–∞, 0)
- (–∞, 2)
- (–∞, ∞)
- None of the above
Answer
(A) (– ∞ , 0)
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