急,函数y=根号下log1/2^(x-2)的定义域是?

急,函数y=根号下log1/2^(x-2)的定义域是?
急,函数y=根号下log1/2^(x-2)的定义域是?

急,函数y=根号下log1/2^(x-2)的定义域是?
y=√log½(x-2)
log½(x-2)≥0
0