kirichekov

Verified answer

Log₄log₃log₂(x²-1)=0

ОДЗ: x²-1>0. (x-1)*(x+1)>0. x∈(-∞;-1)U(1;∞)

log₃log₂(x²-1)=4⁰. log₃log₂(x²-1)=1
log₂(x²-1)=3¹. log₂(x²-1)=3
x²-1=2³. x²-1=8
x²=9.
x₁=-3, x₂=3