Question

sendo log x= a e log y=b, então log √y/x é igual a:

Answer 1

logx=a
logy=b

r=log(√y/x)
r=log√y - logx
r=logy^(1/2) - a
r=(1/2).logy - a
r=(b/2)-a
r=(b/2)-(2a/2)
##r=(b-2a)/2