Fungsi
f(z) = 2z^4 - 9z^3 + 5z^2 - 3z - 4
substutusikan z = faktor dr (-4) → ±1, ±2, ±4
shg f(z) = 0
Diperoleh f(4) = 0
2z^4 - 9z^3 + 5z^2 - 3z - 4
= (z - 4)(2z + 1)(z^2 - z + 1)
Salahsatu faktor → (x - 4)
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Fungsi
f(z) = 2z^4 - 9z^3 + 5z^2 - 3z - 4
substutusikan z = faktor dr (-4) → ±1, ±2, ±4
shg f(z) = 0
Diperoleh f(4) = 0
2z^4 - 9z^3 + 5z^2 - 3z - 4
= (z - 4)(2z + 1)(z^2 - z + 1)
Salahsatu faktor → (x - 4)