它化简是?
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:综合作业 时间:2024/07/12 15:17:00
它化简是?
![它化简是?](/uploads/image/z/16596218-2-8.jpg?t=%E5%AE%83%E5%8C%96%E7%AE%80%E6%98%AF%3F%26nbsp%3B)
=( (X-2)(X-3) / (X+1)(X+4) ) × ( (2X+1)(X+1) / (X-1)(X-3) ) ÷ ( (2X+1)(X-2) / (X-4)(X+4) )=(X-2)(X-3)(2X+1)(X+1)(X-4)(X+4) ÷ <(X+1)(X+4)(X-1)(X-3)(2X+1)(X-2)>
=(X-4)/(X-1)
=(X-4)/(X-1)