Question

Jika f(x) = ax^3 + bx^2 + cx + 3 dengan f(-1) = 0 maka nilai suka banyak R(x) = ax^3 - bx^2 + c + 3 untuk x= 1 adalah..

Answer 1

F(-1) = 0
-a + b - c = -3

R(1) = a - b + c + 3
R(1) = -(a + b - c) + 3
R(1) = -(-3) + 3
R(1) = 3 + 3
R(1) = 6