Jawabanmu

2014-06-12T23:23:13+07:00
A. x^4 + 4x³y + 4x²y² + 4xy³ + 2x²y² + y^4
2014-06-12T23:25:20+07:00
(x+y)(x+y)(x+y)(x+y)
(x^2+2xy+y^2) (x^2+2xy+y^2)
x^4+4x^3y+4x^2y^2+4xy^3+2x^2y^2+y^4