Question 192355
basic  form  is  log  base  a  of  b = ( log b)/(loga)

log  base 5  of  sq rt 125 -  log base  2  of  sq rt 2

log  of  neg  number  is  undefined  therefore  only  use  positive  sq  rts

(log sq  rt  125 / log 5 )   -(log  sq  rt  2/ log 2)
(log  11.18/log5) - (log 1.414/log2)
1.5-.5
1.0