\(\sqrt {\frac{9}{{16}}.{x^2}.{y^6}} \)

Câu hỏi: \(\sqrt {\frac{9}{{16}}.{x^2}.{y^6}} \)

A \(\frac{3}{4}.x.y^3\)

B \(\frac{3}{4}.\left| x \right|.y^3\)

C \(\frac{3}{4}.\left| x \right|.\left| {{y^3}} \right|\)

D \(\frac{3}{4}.x.\left| {{y^3}} \right|\)