Question

решите уравнение,нужно очень плиз
log5(x+1)+logg5(x-3)=1

Answer 1

$log_5(x+1)+log_5(x-3)=1\ left { {{log_5((x+1)(x-3))=1} atop { left { {{x+1 textgreater 0} atop {x-3 textgreater 0}} right. }} right. \ left { {{x^2-2x-3=5} atop { left { {{x textgreater -1} atop {x textgreater 3}} right. }} right. \ left { {{x^2-2x-8=0} atop {x textgreater 3}} right\ left { {{[{x=-2atop x=4}} atop {x textgreater 3}} right. \x=4$