Simplify; \(\sqrt{2}(\sqrt{6} + 2\sqrt{2}) - 2\sqrt{3}\)
MATHEMATICS
WAEC 2017
Simplify; \(\sqrt{2}(\sqrt{6} + 2\sqrt{2}) - 2\sqrt{3}\)
- A. 4
- B. \(\sqrt{3} + 4\)
- C. 4 \(\sqrt{2}\)
- D. 4\(\sqrt{3} + 4\)
Correct Answer: A. 4
Explanation
\(\sqrt{2}(\sqrt{6} + 2\sqrt{2}) - 2\sqrt{3}\)
\(\sqrt{12}\) + 2 x 2 - 2\(\sqrt{3}\)
2 \(\sqrt{3}\) - 2 \(\sqrt{3}\) + 4
= 4
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