Simplify; (frac{1}{2}sqrt{32} – sqrt{18} sqrt{2})

Correct Answer: Option A

Explanation

(frac{1}{2}sqrt{32} – sqrt{18} sqrt{2}) = (frac{1}{2} (4sqrt{2}) – 3sqrt{2} + sqrt{2})
= 2(sqrt{2} – 3sqrt{2} + sqrt{2})
= 3(sqrt{2} – 3sqrt{2} – 3sqrt{2}) = 0