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MCQEasyJEE Main 2025 · 28 January, Shift 2Functions

Mathematics Question from JEE Main 2025 · 28 January, Shift 2

Let [x][x] denote the greatest integer less than or equal to xx. Then the domain of f(x)=sec⁡−1(2[x]+1)f(x) = \sec^{-1}(2[x] + 1) is:

  • A

    (−∞,−1]∪[0,∞)(-\infty, -1] \cup [0, \infty)](streamdown:incomplete-link)

  • B

    (−∞,∞)(-\infty, \infty)

  • C

    (−∞,−1]∪[1,∞)(-\infty, -1] \cup [1, \infty)](streamdown:incomplete-link)

  • D

    (−∞,∞)−{0}(-\infty, \infty) - \{ 0 \}

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