X 5 log 5x 25 )= 2 July 8, 2019 16 32 64 128 Log5 25 x log 5 √ 5x 2 Log 5 ( 25 x ) log 5 x − 2 + log 5 x − 2 log 5 ( 25 x ) ≥ 6 − log 5 x 4 log 2 5 x − 4
