Найдите корень уравнения log11(4x-11)+log11 9=log11 243
Log11(4x-11)+log11(9)=log11(243) log11((4x-11)*9)=log11(243) log11(36x-99)-log11(254)=0 log11((36x-99)/254))=0 (36x-99)/254=11^0=1 36x-99=254 36x=353 x=9.81