If $(2\cos x - 1)(3 + 2\cos x) = 0,\,0 \le x \le 2\pi $, then $x = $

  • A

    $\frac{\pi }{3}$

  • B

    $\frac{\pi }{3},\frac{{5\pi }}{3}$

  • C

    $\frac{\pi }{2},\frac{{5\pi }}{3},{\cos ^{ - 1}}\left( { - \frac{3}{2}} \right)$

  • D

    $\frac{{5\pi }}{3}$

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