(x+2y)^2 + ( 2y-z)^4 - (z+3x)^3
Matematika
munira3
Pertanyaan
(x+2y)^2 + ( 2y-z)^4 - (z+3x)^3
1 Jawaban
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1. Jawaban Fitra910
KAlau cari pers aja, jadinya
(x+2y)^2 = x^2 + 4xy + 4y^2
(2y-z)^4 = (4y^2 - 4yz + z^2)^2 = 16y^4 -32y^3z + 24y^2z^2 - 8yz^3 + z^4
(z-3x)^3 = z^2 - 6zx + 9x^2 (z-3x) = z^3 -9xz^2 +27zx^2 -27x^3
JAdi x^2 + 4xy + 4y^2 + 16y^4 - 32y^3z + 24y^2z^2 -8yz^3 + z^4 - z^3 + 9xz^2 - 27zx^2 +27x^3