$3\sqrt{2} + 5\sqrt{2}$ equals

$3\sqrt{2} + 5\sqrt{2}$ equals
  1. $8\sqrt{2}$
  2. $15\sqrt{2}$
  3. $8\sqrt{4}$
  4. $\sqrt{16}$

Solution

Add coefficients of like surds: $(3+5)\sqrt{2} = 8\sqrt{2}$.

Asked in: MH-SSC-9

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