b) (log x)^{2} - 3logx= -2 c) log _{2}(x-1)^{2} - 5 log (x-1)=0"/> b) (log x)^{2} - 3logx= -2 c) log _{2}(x-1)^{2} - 5 log (x-1)=0 ✪ Resposta Rápida ✔"/> b) (log x)^{2} - 3logx= -2 c) log _{2}(x-1)^{2} - 5 log (x-1)=0"/>