Решите уравнение log2/3(2x+1)=-1/3
Решение ㏒₂/₃ (2x+1) = - 1/3 ㏒₂/₃ (2x+1) = (- 1/3)*㏒₂/₃ (2/3) ㏒₂/₃ (2x+1) = ㏒₂/₃ (2/3)⁻¹/³ 2x + 1 = (2/3)⁻¹/³ 2x = ∛(3/2) - 1 x = (∛(3/2) - 1)/2