若A={x|(1/2)^(x+2)(x-3)>1}B={x|(3a-x)/(x-a)

问题描述:

若A={x|(1/2)^(x+2)(x-3)>1}B={x|(3a-x)/(x-a)

(1/2)^(x+2)(x-3)>1 (x+2)(x-3)