Помогите!!! Прошу,пожалуйста!
2. log49_84 - log49_12 = log49_(84/12) = log49_7= 1/2. log√3_18 - log3_4 = 2 log3_18 - log3_4 = log3_(18^2) - log3_4= = log3_(324/4) = log3_81 = 4