求详细的解析过程

谢谢
2025-05-15 22:47:40
推荐回答(2个)
回答1:


回答2:

(x²-4)/(x²+x-2)
=(x-2)(x+2)/(x-1)(x+2)
=(x-2)/(x-1)
∴limx→-2 (x²-4)/(x²+x-2)
=limx→-2 (x-2)/(x-1)=4/3