1.
16ˣ⁻³=1/2
2⁴*⁽ˣ⁻³⁾=2⁻¹
4*(x-4)=-1
4x-12=-1
4x=11
x=2³/₄.
2.
log₃(-2-x)=2 ОДЗ: -2-x>0 x<-2<br>-2-x=3²
-2-x=9
x=-2-9
x=-11 ∈ОДЗ.
3.
(9^(1/3)*9((1/4)/9^(1/12))³=(3^(2/3*9^(1/2)/3^(1/6))³=(3^(²/₃+¹/₂-¹/₆))³=
=(3^((2*2+1*3-1*1)/6))³=(3^((4+3-1)/6))³=(3^(6/6))³=(3^1)³=3³=27.