The domain of the function f(x)= ^ -1 [ x], where [x] denotes the greatest integer less than or equal to x, is

JEE Main Mathematics question

The domain of the function , where denotes the greatest integer less than or equal to , is

Answer: (A)

needs , and here is an integer. Since , the value is impossible. \sec\iff\le$

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Question ID VK-007709