Log a (a^8 b^3),если log b a =0, 2
Log_a (a^8 * b^3) = log_a a^8 + log_ab^3 = 8 + 3log_a b = = 8 + 3 * (log _b b / log_b a) = 8 + 3 * (1 / log_b a) = = 8 + 3 * (1 / 0,2) = 8 + 3 * 5 = 8 + 15 = 23