由题意得:|x-2|-1=0,且x2-6x+9≠0,
解得:x=1,
x-2=1,
故选:D.
若已知分式|x−2|−1x2−6x+9的值为0,则x-2的值为( ) A.19或-1 B.19或1 C.-1 D.1
若已知分式
的值为0,则x-2的值为( )
A.
或-1
B.
或1
C. -1
D. 1
|x−2|−1 |
x2−6x+9 |
A.
1 |
9 |
B.
1 |
9 |
C. -1
D. 1
数学人气:891 ℃时间:2019-08-20 18:29:23
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