Question

Найдите пожалуйста x

Answer 1

x ↑log5(x) = 5 , x > 0

log5 (x) ↑2 = 1

log↓5(x) = +- 1

log↓5(x) = 1

log↓5(x) = -1

x = 5

x=1/5 , x > 0

x = 5

x = 1/5

x1 = 1/5 , x2 = 5