$5\sqrt{3} - 2\sqrt{12}$ equals

$5\sqrt{3} - 2\sqrt{12}$ equals
  1. $\sqrt{3}$
  2. $3\sqrt{3}$
  3. $0$
  4. $3\sqrt{12}$

Solution

$2\sqrt{12} = 2 \cdot 2\sqrt{3} = 4\sqrt{3}$. So $5\sqrt{3} - 4\sqrt{3} = \sqrt{3}$.

Asked in: MH-SSC-9

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