5. f(x) = x4 – 3x3 + 2x2 + kx - 1 · g(x) = x3 + kx2 + 2x + 3 ,
若f(x).g(x)的奇次項係數和等於偶次項係數和,則k =
=
a) (- )
g (X) = (x * 2x² + 2x + kx-1)(xr k8 4 2 X+3)
=xlekat & 2 & 3 g * 24 km 2 6 gt 12 a 2x rahat yat box
eka e kar takatakan azt a 22x7
1 x K x 9 +2 +4 + k * 3k X p skant to tak tb tk askok
ktnk+15=bk
k raktis
75