X 3 3x 2 4 x 4 8x 2 16 July 8, 2019 16 32 64 128 Limit x tends to 2 x 3 3x 2 4 x 4 8x 2 16 (8 + x ^ 3)/(16 - x ^ 4) / ((x ^ 2 - 2x + 4)/(x ^ 2 + 4))