UNIDADE ESCOLAR SO CRISTVO III LISTA DE EXERCCIOS DE MAT I - 2. SRIE / 2012 COORDENADOR(A) MARIA HELENA M.M. BACCAR PROFESSORA MARILIS HYPERLINK http//www.professorwaltertadeu.mat.br www.professorwaltertadeu.mat.br ALUNO(A) GABARITO No TURMA LOGARITMOS D o valor de cada uma das expresses seguintes Soluo. Aplicando as definies e propriedades dos logaritmos, temos A log5 5 log3 1 log 10 EMBED Equation.3 . QUOTE EMBED Equation.3 . QUOTE EMBED Equation.3 . QUOTE EMBED Equation.3 . Sabendo que log a 1/2 e log b 1, calcule o valor de Soluo. Aplicando as definies e propriedades dos logaritmos, temos logb a EMBED Equation.3 . b) loga b EMBED Equation.3 . log (a/b) EMBED Equation.3 . d) log (a.b) EMBED Equation.3 . Qual o valor de log9 (log4 64) log4 (log3 81) Soluo. Representando as potncias e aplicando as propriedades dos logaritmos, temos EMBED Equation.3 . Calcule QUOTE EMBED Equation.3 . QUOTE EMBED Equation.3 .