解方程1-(x/(x-1))=x/(x²-1)
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解方程1-(x/(x-1))=x/(x²-1)解方程1-(x/(x-1))=x/(x²-1)解方程1-(x/(x-1))=x/(x²-1)两边乘以x^2-1:x^2-1-x(x
解方程1-(x/(x-1))=x/(x²-1)
解方程1-(x/(x-1))=x/(x²-1)
解方程1-(x/(x-1))=x/(x²-1)
两边乘以x^2-1:
x^2-1-x(x+1)=x
-1-x=x
x=-1/2,