Question

calcule
$log_{3}\frac{1}{3} =$
$log_{7} \frac{1}{7} =$
$log_{4} \frac{1}{16} =$
$log_{5} \frac{1}{125} =$

Answer 1

Calcule

log3(1/3) = log(3^-1) = -1log3(3) = -1

log7(1/7) = log(7^-1) = -1log7(7) =  -1

log4(1/16) = log4((1/4)^2 = -2

log5(1/125) = log5(5^-3) = -3