Given Expression `= (log 4)/(log 3) xx (log 5)/(log 4) xx (log 6)/(log 5) xx (log 7)/(log 6) xx (log 8)/(log 7) xx (log 9)/(log 8)` `= (log 9)/(log 3)` `= (log 3^2)/(log 3)` `= (2 log 3)/(log 3)` `= 2`