X 2 4x 2 5x 16 3 July 8, 2019 16 32 64 128 X2 4x 2 =( 5x 16 )/ 3 5x 16 4 x 2 4x 2 3 16 int _( 1 2 )( 5x 2 x 2 )+ 4x 3 (4x ^ 2 + x - 5)/(16x ^ 2 - 25)