Chọn câu trả lời đúng: $(-2x^{4}y)(\frac{1}{8}x^{2}y^{3}-\frac{1}{

Question

Cơ bản

Chọn câu trả lời đúng: $(-2x^{4}y)(\frac{1}{8}x^{2}y^{3}-\frac{1}{4}xy^{5})=$.

4 câu trả lời

Answer 1

$-\frac{1}{4}x^{2}y^{2}+\frac{1}{2}x^{3}y^{4}$

Answer 2

$-\frac{1}{4}x^{8}y^{3}+\frac{1}{2}x^{4}y^{5}$

Answer 3

$-\frac{1}{4}x^{6}y^{4}-\frac{1}{2}x^{5}y^{6}$

Answer 4

$-\frac{1}{4}x^{6}y^{4}+\frac{1}{2}x^{5}y^{6}$