Log x 4 z 5 y July 8, 2019 16 32 64 128 Log x 4 y 2 z 5 Log 3 x * 4 y z 1 5 Log 4 16 Log5 z 5 Log frac y x^ 4 z^ 5 log x 4 z 5 y Log x^4(5x-4)=log 5 x-4(5-4/x)
