【答案解析】=(λ-2)(λ-1)-6=λ2-3λ-4=(λ+1)(λ-4)=0从而得到λ=-1或λ=4 ∴选C
When the court deals with social policy decisions, the law it（ ）is inescapably political.
=0的充分必要条件是( )=(λ-2)(λ-1)-6=λ2-3λ-4=(λ+1)(λ-4)=0从而得到λ=-1或λ=4 ∴选C
=0的充分必要条件是( ) =0的充分必要条件是( )=(λ-2)(λ-1)-6=λ2-3λ-4=(λ+1)(λ-4)=0从而得到λ=-1或λ=4 ∴选C