3 1 4x 9 July 8, 2019 16 32 64 128 3 1 4x ) - 9x 5 3 2x 1 )= 4x 9 3 x 1 )= 4x 9 3 3 x 1 4x 9x 6 3 4x 1 2 =- 9 2x 3 x 1 9 4x 5 3 log9 4x 1 9 3 25 4x 1 9 13 0 4 1 3 4x 9 1 27 (- 5x 2 3 (- 4x 1 9 3 4x 1 2 =- 2 3x 9 3 4x 2 9 1 4x 1 4x 9x 2 16x 3 upto infinity 3 4x 1 2y 12 ax by 9 1 4 4 5 3 4x 1 9