Question on: WAEC Mathematics - 2014
Simplify: (\sqrt{12} ( \sqrt{48} - \sqrt{3}))
A
18
B
16
C
14
D
12
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Correct Option: A
(\sqrt{12} ( \sqrt{48} - \sqrt{3}))
(\sqrt{4 \times 3} (6 \times 3 - \sqrt{3}) = 2 \sqrt{3}(4 \sqrt{3} - \sqrt{3}))
= 2(\sqrt{3} \times \sqrt{3} (4 - 1) 2\sqrt{9}(3) = 2 \times 3 \times 3 = 18)
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