求下列极限,lim(x→2)x^2-4/x^2-3x+2 麻烦写下具体步骤,

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/04 09:21:10
求下列极限,lim(x→2)x^2-4/x^2-3x+2 麻烦写下具体步骤,

求下列极限,lim(x→2)x^2-4/x^2-3x+2 麻烦写下具体步骤,
求下列极限,lim(x→2)x^2-4/x^2-3x+2 麻烦写下具体步骤,

求下列极限,lim(x→2)x^2-4/x^2-3x+2 麻烦写下具体步骤,
lim(x→2)(x^2-4)/(x^2-3x+2)
=lim(x→2)(x-2)(x+2)/[(x-1)(x-2)]
=lim(x→2)((x+2)/(x-1)
=4