Question

3^х=5^2х, без логарифмов

Answer 1

a^0 = 1 (a<>0)

(a^m)^n = a^(mn)

3^x = 5^2x

3^x = 25^x

3^x/25^x = 1

(3/25)^x = (3/25) ^ 0

x = 0