x/x-2 - 1/x²-4=1求解答!1111
2个回答
答:
x/(x-2)-1/(x²-4)=1
两边同时乘以x²-4得:
x(x+2)-1=x²-4
x²+2x=x²-4+1
2x=-3
x=-3/2
经检验,x=-3/2是原分式方程的根
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