Answer
$\sqrt 3$
Work Step by Step
Given expression is-
$4 \sin 60^{\circ} - 2 \cos 30^{\circ}$
= $4.\frac{\sqrt 3}{2} - 2 \frac{\sqrt 3}{2} $
(Substituting exact values)
= $2\sqrt 3 - \sqrt 3$
= $\sqrt 3$
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