Cho \(A=-2 x y^{2} z ; B=\frac{3}{4} x^{2} y z^{3}...

Câu hỏi: Cho \(A=-2 x y^{2} z ; B=\frac{3}{4} x^{2} y z^{3}\). Tính A.B

A.  \(\dfrac{-3}{2} x^{4} y^{3} z^{4}\)

B.  \(\dfrac{3}{2} x^{3} y^{3} z^{4}\)

C.  \(\dfrac{-3}{2} x^{3} y^{3} z^{4}\)

D.  \(\dfrac{-3}{2} x^{3} y^{3} z^{5}\)