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Putra Gema Nusa
Rockstar Teacher GURU SMA
. ban 22, 9= 6 + 6. 12. 2 2 9 - a mall . 2 Х 2 2 modal: f(x) = ax² + bx-5 a+b= 6 f(x)=1 f(1) = -8 로 Ditanya: a. a dan b b. X yg memenuhi f(x) +9 =0 b. f(x)+9 = 0 9. # f(-1) = ! 로 2 / 2 x ² - 9 X -5 +8=0 g al-1)² + bl-1)-5 X+ | 6 =a-b ab 3x²-gx a a=6+b # f() = 0 -8= a(1)²+b. 1-5 X²_3x -3= atb x (x-3) = 0 -3=6+b+b X-0 V x = 3 =3 -g=2b zb Pahamify =0 5 2 = -8 3x²-9x - 2 s = -0 o
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