Question

log₀,₅ · log₆ · (x²+x/x+4) ≤ 0

Answer 1

log₆((x²+x)/(x+4))≥1

(x²+x)/(x+4)≥6

(x²-5x-24)/(x+4)≥0

(x-8)(x+3)/(x+4)≥0

 

(-) -4 (+) -3 (-) 8 (+)

 

Ответ: (-4,-3)u(8,+infty)