3/(x-2)=2a/x+4/(x^2-2x)无解 求a
问题描述:
3/(x-2)=2a/x+4/(x^2-2x)无解 求a
答
3/(x-2)=2a/x+4/(x^2-2x)同分得3X=2a(X-2)+4
X=(4-4a)/(3-2a)
分母为0无解
3-2a=0
a=3/2