3 4x 9 2x 1 July 8, 2019 16 32 64 128 3 2x 9 4x 11 5x x 3 4x 1 2 =- 9 2x 7x 12 4x 9 2x 3 Log 3 4cos 2x )( 9 16cos 4x 4x 3 2x 9 180 4x 3 2x 9 120 3 4x 5 8 9 2x 1 4x 3 2x 9 60 180 36 3 4x 9 )= c 2x 1 )+ 25 3 2x 9 )+ 12 4x − 8 )= 55 3 4x 12 =- 2x 9 4x 9 1 3 2x 1 5 5 4x 9 3 2x 12 4x 3 9 2x 5 3x 2 15 3 2x 9 )+ 4x 1 when x =- 2
