Log_2 x 1 )- log_2 x 4 )= 3 July 8, 2019 16 32 64 128 Log 4 x 1 2 log 2 x 1 3 25 Log _ 2 left x 1 right )+ log _ 2 left x 4 right )= 3 Log 2 x log 4 x log 1 2 căn 3 F x )=- 3 log 1 x )+ 4 log 2 x )- 4 2 x Log2 x 1 )- log2 x 4 )= 3 2 log 2