(x分之m)-(x+1分之1)=0(m不等于0且m不等于1)
问题描述:
(x分之m)-(x+1分之1)=0(m不等于0且m不等于1)
答
m/x-1/(x+1)=0
m(x+1)/(x(x+1))-x/(x(x+1))=0
(mx+m-x)/(x(x+1))=0
(m-1)x+m=0
x=m/(m-1)