If (x−2)(x+a)(x−b) is the factorised form of the polynomial (x3−2x2−9x+18), then find the values of a and b.

If (x−2)(x+a)(x−b) is the factorised form of the polynomial (x3−

1.	If (x−2)(x+a)(x−b) is the factorised form of the polynomial (x3−2x2−9x+18), then find the values of a and b.
Answer» If $(x - 2) (x + a) (x - b)$ is the factorised form of the polynomial $(x^{3} - 2 x^{2} - 9 x + 18),$ then find the values of $a$ and $b .$