x²/(4-x²)=1/(x+2) -1解分式方程,
问题描述:
x²/(4-x²)=1/(x+2) -1解分式方程,
答
x²/(4-x²)=1/(x+2) -1
x^2=2-x+x^2-4
x=-2
因分母不能为0
故该方程无解