- 搜标题
- 搜题干
- 搜选项
问答题
Given equation (x-1)/√(x2-x-2)=√(x-1/x2-x-2) of x,then the number of solutions for this equation is ( ).
Given equation (x-1)/√(x2-x-2)=√(x-1/x2-x-2) of x,then the number of solutions for this equation is ( ).
(A)0.
(B)1.
(C)2.
(D)countless.
A.
你可能感兴趣的试题
