Question

решите неравенство )))))))))

Answer 1

log(0,2)log(4)(x^2 -5)<0
log(0,2)log(4)(x^2 -5)<log(0,2)1
log(4)(x^2 -5)<0
log(4)(x^2 -5)<log(4)1
x^2 -5<0
x^2<5
x<(+;-)√5
xє(-∞;-√5)U(√5;+∞)