作业帮化简：｛(a2-4a+4)/(a2+2a+1)｝× ｛（a+1）/（a²-4）｝
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/09 00:41:34
化简：｛(a2-4a+4)/(a2+2a+1)｝× ｛（a+1）/（a²-4）｝
化简：｛(a2-4a+4)/(a2+2a+1)｝× ｛（a+1）/（a²-4）｝
化简：｛(a2-4a+4)/(a2+2a+1)｝× ｛（a+1）/（a²-4）｝
｛(a2-4a+4)/(a2+2a+1)｝× ｛（a+1）/（a²-4）｝
=[(a-2)²/(a+1)²]×[(a+1)/[(a+2)(a-2)]]
=(a-2)/[(a+1)(a+2)]