(ax+3)/(1-2x)值域 不等于2,球a

(ax+3)/(1-2x)值域 不等于2,球a
(ax+3)/(1-2x)值域 不等于2,球a

(ax+3)/(1-2x)值域 不等于2,球a
y=(ax+3)/(1-2x)≠-2
∴(ax+3)≠-2(1-2x)
ax+3≠-2+4x
(a-4)x≠-5
x≠-5/(a-4)
∵定义域是x≠1/2
∴-5/(a-4)=1/2
a=-6