October 2018 1 83 Report
–2 and 1/3 adalah nol-nol dari fungsi berikuto:
f(x) = 3x4 + 5x3 + x2 + 5x – 2.
Mengingat nol-nolnya di kepala, bentuk f(x) dengan faktor sempurna adalah
Pilihan jawaban
a. (x + 2)(x – 1/3)(x + i)(x – i)
b. 3(x + 2)(x – 1/3)(x + i)(x – i)
c. (x + 2)(x – 1/3)(x + 2)(x – 2)
d. (x + 2)(x – 1/3)(x + 3)(x – 2)
e. 3(x + 2)(x – 1/3)(x + 3)(x – 9)



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