oblicz x jesli a) log ½ x= -3 b) log x 64=-3

log a b = c, a^c = b a) log ½ x= -3 (½)⁻³ = x x = 2³ x = 8 b) log x 64=-3 x⁻³ = 64 x³ = 1/64 x = ∛1/64 x = ¼