Question

Помогите решить уравнение

Answer 1

log(3) x - log(9) x = 3/2

одз x>0

log(3) x - 1/2 log(3) x = 3/2

1/2 log(3) x = 3/2

log(3) x = 3

x = 3^3 = 27

log(a^k) b = 1/k * log(a) b