问题
解答题
化简：(x+
|
答案
（x+
）÷（2+x x2-1
-1 x-1
）1 x+1
=
÷x3-x+x x2-1 2(x2-1)+x+1-x+1 (x+1)(x-1)
=
•x3 (x+1)(x-1) (x+1)(x-1) 2x2
=
．x 2
搜题请搜索小程序“爱下问搜题”
化简：(x+
|
（x+
）÷（2+x x2-1
-1 x-1
）1 x+1
=
÷x3-x+x x2-1 2(x2-1)+x+1-x+1 (x+1)(x-1)
=
•x3 (x+1)(x-1) (x+1)(x-1) 2x2
=
．x 2