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> 若关于x的方程k-1x-1-xx-1=0有增根,求k的值.-数学
若关于x的方程k-1x-1-xx-1=0有增根,求k的值.-数学
题目简介
若关于x的方程k-1x-1-xx-1=0有增根,求k的值.-数学
题目详情
若关于x的方程
k-1
x-1
-
x
x-1
=0
有增根,求k的值.
题型:解答题
难度:中档
来源:不详
答案
分式方程去分母得:k-1-x=0,
由题意将x=1代入得:k-1-1=0,
解得:k=2.
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题目简介
若关于x的方程k-1x-1-xx-1=0有增根,求k的值.-数学
题目详情
答案
由题意将x=1代入得:k-1-1=0,
解得:k=2.