Matematika

Pertanyaan

Besok dikumpulkan

Tentukan f^1(x) dari f(x) berikut
1. f(x) = (x^2+1)(x^3-1)
2. f(x) = (x^2+3x+1)(x^3+2x+1)
3. f(x) = (x+2)(x^2+2x+3)
4. f(x) = x/x-1, x#1
5. f(x) = x-3/x+3, x#-3

Terima kasih^^

1 Jawaban

  • 1. f(x) = (x^2+1)(x^3-1)
    f(x) = x^5 - x²+x³-1
    f'(x) = 5x⁴-2x+3x²

    2. f(x) = (x^2+3x+1)(x^3+2x+1)
    f(x) = x^5+2x³+x²+3x⁴+6x²+3x+x³+2x+1
    f(x) = x^5 + 3x⁴+3x³+7x²+2x+1
    f'(x) = 5x⁴+12x³+14x+2

    3. f(x) = (x+2)(x^2+2x+3)
    f(x) = x³+2x²+3x+2x²+4x+6
    f'(x) = 3x²+8x+7

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