Question

Tentukan nilai m, dari:
x³+mx²-x+1 di bagi (x-2) sisanya 19

Answer 1

X-2 = 0
x = 2

x=2 substitusi ke x^3 + mx^2-x+1 = 19
2^3 + m2^2-2+1 = 19
8 + 4m -1 = 19
4m = 12
m = 3