Question

不等式log(1/4)^X >log(1/2)^(x+1)的解集是?

Answer 1

log(1/4)x >log(1/2)(x+1)

log(1/2)² x>log(1/2)(x+1)

1/2log(1/2) x>log(1/2)(x+1)

log(1/2) √x>log(1/2)(x+1)

∵00

∴x>0

解集是{x|x>0}