Question

log 1/81(x2+26)=0,75 Кто поможет

Answer 1

log₁/₈₁($x^{2}$+26)=0,75
log₍₉⁻²₎($x^{2}$+26)=0,75
log₍₃⁻⁴₎($x^{2}$+26)=0,75
-1/4log₃($x^{2}$+26)=0,75
-1/4log₃(x^2+26)=$frac{3}{4}$
log₃(x^2+26)=$frac{3}{4}$/$frac{-1}{4}$=-3
dal`she sam(a)
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