(x-3)/(x-1) = m/(x-1) 有增根,则增根为___时,m的值为____
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(x-3)/(x-1)=m/(x-1)有增根,则增根为___时,m的值为____(x-3)/(x-1)=m/(x-1)有增根,则增根为___时,m的值为____(x-3)/(x-1)=m/(x-1)有
(x-3)/(x-1) = m/(x-1) 有增根,则增根为___时,m的值为____
(x-3)/(x-1) = m/(x-1) 有增根,则增根为___时,m的值为____
(x-3)/(x-1) = m/(x-1) 有增根,则增根为___时,m的值为____
两边乘x-1
x-3=m
增根就是分母为0
x-1=0
x=1
代入x-3=m
m=1-3=-2
所以增根是x=1,m=-2
x>=m-1 x
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