Question

Решите уравнение (log13 x)^2=1

Answer 1

(log₁₃x)²=1
ОДЗ: x>0

log₁₃x=+-√1
1. log₁₃x=-1, x=13⁻¹
$x_{1} = frac{1}{13}$

2. log₁₃x=1, x=13¹
x₂=13