解分式方程: (1)2/x+1+3/x−1=6/x2−1 (2)x−3x−2+1=3/2−x.
问题描述:
解分式方程:
(1)
+2 x+1
=3 x−1
6
x2−1
(2)
+1=x−3 x−2
. 3 2−x
答
(1)2x+1+3x−1=6x2−1(x+1)(x-1)(2x+1+3x−1)=6(x−1)(x+1)×(x+1)(x-1),∴2(x-1)+3(x+1)=6,5x=5,解得:x=1,检验:当x=1时,(x+1)(x-1)=0,∴x=1不是原方程的解.∴原方程无解;(2)x−3x...