А) log1/2 16 = log2^(-1) 16 = -1*log2 16 = -4
Б) 5^2 + log5 3 = 25 + log5 3
В) log3 135 - log3 20 + 2log3 6 = log3 (135/20) + log3 6^2 = log3 (135/20*36) = log3 27 = 3
А) log1/2 16 = log2^(-1) 16 = -1*log2 16 = -4
Б) 5^2 + log5 3 = 25 + log5 3
В) log3 135 - log3 20 + 2log3 6 = log3 (135/20) + log3 6^2 = log3 (135/20*36) = log3 27 = 3