设m=ab/(a^2-ab),则m^2/(am-b)-m/a可化简为_数学解答

设m=ab/(a^2-ab),则m^2/(am-b)-m/a可化简为

人气：380 ℃　时间：2020-06-06 06:38:48

解答

m^2/(am-b)-m/a=
am^2/a(am-b)-m(am-b)/a(am-b)=
bm/a(am-b)=
将m=ab/(a^2-ab）代入上式化简
bm/a(am-b)=1/a