解分式方程: 7/(x²+x) + 1/(x²-x) = 6/(x²-1) 详细过程
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解分式方程: 7/(x²+x) + 1/(x²-x) = 6/(x²-1) 详细过程
解分式方程: 7/(x²+x) + 1/(x²-x) = 6/(x²-1) 详细过程
解分式方程: 7/(x²+x) + 1/(x²-x) = 6/(x²-1) 详细过程
7/(x²+x)+1/(x²-x)=6/(x²-1)
解原式=
7\x(x+1) +1\x(x-1)=6\(x+1)(x-1)
两边同时乘以x(x²-1),消除后得出7x-7+x+1=6x
x=3
这道题有简便算法
可以了
x=3
解分式方程: 7/(x²+x) + 1/(x²-x) = 6/(x²-1)
解原式=
7\x(x+1) +1\x(x-1)=6\(x+1)(x-1)
7x-7+x+1=6x
x=3
代入检验得X=3是原方程的解