1/(x²-1)+1/(x²-4)=0
1/(x²-1)=-1/(x²-4)
x²-1=-(x²-4)
x²=5/2
x=√10/2或x=-√10/2
代入分式方程檢驗,分母均不等于0,兩解均為分式方程的解.
x=√10/2或x=-√10/21/(x²-1)=-1/(x²-4)是怎么到x²-1=-(x²-4)分子都為1,相等,又兩分式相等,因此分母相等,這個不用多解釋了吧。
解1/(x^2-1)+1/(x^2-4)=0
解1/(x^2-1)+1/(x^2-4)=0
數(shù)學(xué)人氣:599 ℃時間:2020-07-24 04:23:38
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