Question

把关于x的方程x2-2x+2/x-1=a-1+1/a-1 变形为方程x+1/x=c+1/c的形式是 方程的解是

Answer 1

(x^2-2x+2)/(x-1)=0

(x-1)+1/(x-1)=0

(x^2-2x+2)/(x-1)=[(x-1)^2+1]/(x-1)

x^2-2x+2>0

方程无解