2006-I-10
答案:(a) (ii) $a=2$, $b=3$ (b) $2x^2+3x-4$, $\dfrac{-3\pm\
… Read $\begin{array}{rcl}
f(-k) & = &
$\begin{array}{rc
$\b
$\begin{array}{rcl
$\begin{array}{cl}
= & f(-2) \\
=
由於 $f(x)$ 可被 $x+3$ 整除,利用因式定
$\begin{array}{cl}
= & f(-2) \\
=