(x+y)^4 = mohon pakai caranya

Ekspansi Binomial (Binomial Newton).

(x + y)⁴ = (x + y)(x + y)(x + y)(X + y)
= (x² + 2xy + y²)(x² + 2xy + y²)
= x⁴ + 2x³y + x²y² + 2x³y + 4x²y² + 2xy³ + x²y² + 2xy³ + y⁴
= x⁴ + 4x³y + 6x²y² + 4xy³ + y⁴

Materi Ekspansi 
Gunakan segitiga pascal baris ke 5: 1 4 6 4 1
[tex](x+y)^4 = x^4+4x^3y+6x^2y^2+4xy^3+y^4[/tex]