(本题满分8分)解方程
.
(本题满分8分)解方程
.
解:两边同时乘以
,得
.····································································· 3分
解这个方程,得
.·········································································· 7分
检验:
时
,
不是原分式方程的解,原分式方程无解.·············································· 8分
解析:略