Question

log по основанию 1/4 x < 2

Answer 1

log1/4 x<2
log1/4 x <log 1/4 (1/4)^2
(1/4-1)(x-1/4^2)<0
x-1/16>0
x>1/16
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если loga f(x) > logf g(x) то (a-1)(f(x)-g(x))>0