nomor 20 dong... makasi pakek cara ya
Matematika
sherlymelviniamalia
Pertanyaan
nomor 20 dong... makasi pakek cara ya
1 Jawaban
-
1. Jawaban whongaliem
f (x) = x³ - 6x² + 11x - 5
= x³ - 2x² - 4x² + 8x + 4x - x - 8 + 3
= {(x³ - 2x²) - (4x² - 8x) + (4x - 8)} - x + 3
= { x² (x - 2) - 4x (x - 2) + 4 (x - 2) } - x + 3
= (x² - 4x + 4) (x - 2) - x + 3
= (x - 2)² (x - 2) - x + 3
f (x) = p(x) .h (x) + sisa
(x - 2)² (x - 2) - x + 3 = (x - a)² . h (x) + ax + b
(x - 2)² = (x - a)² ⇒ a = 2
h(x) = (x + 2)
- x + 3 = bx + c ⇒ b = - 1
c = 3
jawaban : C