The part C is the correct one.
Answer:
c x/3
Explanation:
sqrt(2x/3) * sqrt(x/6)
We know that sqrt(a) sqrt(b) = sqrt(ab)
sqrt(2x^2/18)
Simplifying inside the square root
sqrt(x^2/9)
We know sqrt(a/b) = sqrt(a)/sqrt(b)
sqrt(x^2)/sqrt(9)
x/3
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