Log0 5 1 2x July 8, 2019 16 32 64 128 Log0 5 2x 1 ) = 0 Log0 5 2x 1 ) - 2 Log0 3 5 2x )= 1 5 log0 2 2x 1 )= 10 Log0 5 2x 4 ) - 1 Log0 5 x 1 log0 5 2x 4 Log0 5 x 1 log0 5 2x Log0 1 2x 5 log0 1x 2log0 5 x 2 log0 5 2x 1 Log0 5 x 7 log0 5 2x 1 Log0 5 15 1 2x Bất phương trình log0 5 2x 1 0 Log0 5 x 1 2 log0 5 2x
