X 2 2x 1 ) 4x 2 0 July 8, 2019 16 32 64 128 X 2 2x 1 )+ 4x 2 0 X 2 4x 4 2x 2 x 1 0 Sqrt 4x 1 )* ln x 2 2x 2 a 2 )= 0 X 2 4x 2 )( 4 3x 1 8 2x 1 11 )= 0 Lim x 0 cosec 2 2x 1 4x 2 sama dengan Tìm x 2x 1 2 4x 2 1 0 Tìm x biết 2x 1 2 4x 2 1 0
