MCQ
$\cos ^{-1}(2 x-1)=$
  • A
    $2 \cos ^{-1} x$
  • B
    $\cos ^{-1} \sqrt{x}$
  • $2 \cos ^{-1} \sqrt{x}$
  • D
    None of these

Answer

Correct option: C.
$2 \cos ^{-1} \sqrt{x}$
(C)

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