Jawabanmu

2014-06-09T08:31:31+07:00
F(x) = x³ - 2x² - 5x + p habis dibagi (x-1), berarti f(1) = 0
2(1)³ - 2(1)² - 5(1) + p = 0
2 - 2 - 5 + p = 0 ⇒ p = 5
f(x) = x³ - 2x² - 5x + 5 dibagi oleh (x-2)
f(2) = 2³ - 2(2)² - 5(2) + 5 = 8 - 8 - 10 + 5 = -5
Jadi, f(x) = x³-2x²-5x+5 jika dibagi (x-2) sisanya - 5