Multiple choice

√48 - √12

  1. 2

  2. √36

  3. 2√3
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Simplify the radicals: sqrt(48) = sqrt(16 * 3) = 4*sqrt(3) and sqrt(12) = sqrt(4 * 3) = 2*sqrt(3). Subtracting them gives 4*sqrt(3) - 2*sqrt(3) = 2*sqrt(3).

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