Question

这个不等式怎么解？求详解，急！

Answer 1

x≥√2/2

Answer 2

log<1/2>x ≤ -1/2
定义域 ： x>0 (1)
log<1/2>x ≤ -1/2
x≥ (1/2)^(-1/2)
=√2 (2)
log<1/2>x ≤ -1/2
(1) and (2)
x≥√2