असमिका $(\sec^{-1}x - 4)(\sec^{-1}x - 1)(\sec^{-1}x - 2) \ge 0$ का पूर्ण हल समुच्चय है

  • A
    $[\sec 2, \sec 1]$
  • B
    $[\sec 1, \sec 2] \cup [\sec 4, \infty)$
  • C
    $(-\infty, \sec 2] \cup [\sec 1, \infty)$
  • D
    $(-\infty, \sec 4] \cup [\sec 2, \infty)$

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