Log 1/81(x2+26)=0,75 Кто поможет
Log₁/₈₁(+26)=0,75 log₍₉⁻²₎(+26)=0,75 log₍₃⁻⁴₎(+26)=0,75 -1/4log₃(+26)=0,75 -1/4log₃(x^2+26)= log₃(x^2+26)=/=-3 dal`she sam(a) :)