Làm tính chia x^4-y^4/4x^2-4x+1:3x^2y+3xy^2/6-12x
Giải thích
x4−y44x2−4x+1:3x2y+3xy26−12x=x4−y44x2−4x+1.6−12x3x2y+3xy2=x2−y2x2+y22x−12.6.1−2x3xy.x+y
=x−yx+yx2+y21−2x2.6.1−2x3xy.x+y=2x−yx2+y2xy.1−2x
x4−y44x2−4x+1:3x2y+3xy26−12x=x4−y44x2−4x+1.6−12x3x2y+3xy2=x2−y2x2+y22x−12.6.1−2x3xy.x+y
=x−yx+yx2+y21−2x2.6.1−2x3xy.x+y=2x−yx2+y2xy.1−2x