MCQ
$\sqrt { - 2} \,\sqrt { - 3} = $
  • A
    $\sqrt 6 $
  • $ - \sqrt 6 $
  • C
    $i\sqrt 6 $
  • D
    None of these

Answer

Correct option: B.
$ - \sqrt 6 $
b
(b) $\sqrt { - 2} \sqrt { - 3} = i\sqrt 2 \,i\,\sqrt 3 = {i^2}\sqrt 6 = - \sqrt 6 $
.

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