Ln x 2 4x 4 July 8, 2019 16 32 64 128 Ln x 2 4x 4 )= 0 5 ln x 2 4x 4 x ln5 Ln x 2 2ln 4x 4 Đạo hàm ln x 2 4x 4 F x )= ln x 2 4x 4 Lnx 2 ln 4x 4 X 2 1 lnx )/ ln 4x x 4 Ln x 2
