Matematika

Pertanyaan

G(x) = 2x^2 - 3x +2
G(4-x)=
G(x^2-3x+2)

1 Jawaban

  • G(x) = 2x^2 - 3x +2

    G(4-x)
    = 2(4-x)² - 3(4-x) + 2
    = 2(16-8x+x²) - 12 + 3x + 2
    = 32 - 16x + 2x² - 12 + 3x + 2
    = 2x² - 13x + 22

    G(x^2-3x+2)
    = 2(x²-3x+2)² - 3(x²-3x+2) + 2
    = 2(x⁴+9x²+4-6x³-12x+4x²) - 3(x²-3x+2) + 2
    = 2x⁴ - 12x³ + 26x² - 24x + 8 - 3x² + 9x - 6 +2
    = 2x⁴ - 12x³ + 23x² - 15x + 4

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