Question

（-1/3ab)(-2ab)÷(1/9a^4b^4) [(x+y)-(

Answer 1

(-1/3*a^3*b^2)^2*(-2*a*b^2)^3/(1/9*a^4*b^4)^3 = -648/(a^3*b^2)((x+y)^2-(x+y)*(x-y))*2*y = 4*y^3+4*x*y^2x^3*y-6*x^2*y^2+9*x*y^3 = x*y*(3*y-x)^2 (a^2+4*b^2)^2-16*a^2*b^2 ...