\(\dfrac{{2{x^2} + 2x}}{{3{x^3} - 9{x^2}y + 9x{y^2} - 3{y^3}}};\,\)\(\dfrac{2}{{{y^2} - xy}}\)
A.\(\dfrac{2xy\left ( x + 1 \right )}{3y\left ( x - y \right )^{3}}\,;\,\,\dfrac{ - 6\left ( x - y \right )^{2}}{3y\left ( x - y \right )^{3}}\)
B.\(\dfrac{2xy\left ( x + 1 \right )}{3y\left ( x - y \right )^{2}}\,;\,\,\dfrac{ - 6\left ( x - y \right )}{3y\left ( x - y \right )^{2}}\)
C.\(\dfrac{2x\left ( x + 1 \right )}{3y\left ( x - y \right )^{3}}\,;\,\,\dfrac{ - 6\left ( x - y \right )^{2}}{3y\left ( x - y \right )^{3}}\)
D.\(\dfrac{2\left ( x + 1 \right )}{3y\left ( x - y \right )^{2}}\,;\,\,\dfrac{ - 6\left ( x - y \right )}{3y\left ( x - y \right )^{2}}\)
A.\(\dfrac{2xy\left ( x + 1 \right )}{3y\left ( x - y \right )^{3}}\,;\,\,\dfrac{ - 6\left ( x - y \right )^{2}}{3y\left ( x - y \right )^{3}}\)
B.\(\dfrac{2xy\left ( x + 1 \right )}{3y\left ( x - y \right )^{2}}\,;\,\,\dfrac{ - 6\left ( x - y \right )}{3y\left ( x - y \right )^{2}}\)
C.\(\dfrac{2x\left ( x + 1 \right )}{3y\left ( x - y \right )^{3}}\,;\,\,\dfrac{ - 6\left ( x - y \right )^{2}}{3y\left ( x - y \right )^{3}}\)
D.\(\dfrac{2\left ( x + 1 \right )}{3y\left ( x - y \right )^{2}}\,;\,\,\dfrac{ - 6\left ( x - y \right )}{3y\left ( x - y \right )^{2}}\)
Loga
Hóa Học lớp 12
