Matematika

Pertanyaan

Minta tolong dijawab ya,,besok dikumpulin
A.(2x+y)³
B.(3p+a)⁴
C.(2x-1)²
D.(4a-3b)³
Minta tolong banget yaa

1 Jawaban

  • Mapel : Matematika
    Materi : Pengkuadratan
    Kelas : IX (SMP)

    A) (2x+y)(2x+y)(2x+y)
    = (4x^2 + 4xy + y^2)(2x+y)
    = (8x^3 + 12x^2y + 4xy^2 + y^3)

    B) (3p+a) (3p+a) (3p+a) (3p+a)
    = (9p^2 + 6pa + a^2) (9p^2 + 6pa + a^2)
    = (54p^2a^2 + 81p^4 + 108ap^3 +a^4 + 12pa^3

    C) (2x-1) (2x-1)
    = 4x^2 - 4x + 1

    D) (4a-3b) (4a-3b) (4a-3b)
    = (16a^2 - 12ab + 9b^2) (4a-3b)
    = (64a^3 - 96a^2b + 45ab^2 - 27b^3)

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