2x 4x 2 1 2x 4x 2 1 4 July 8, 2019 16 32 64 128 2x 1 4x 2 1 2x 4x 2 2 1 4x 2 2x+ √ 4x 2 1 2x √ 4x 2 1 4 2x sqrt 4x 2 )- 1 2x sqrt 4x 2 )- 1 ))= 4 If 2x 1 2x 4 find 4x 2 1 4x 2
