2 dx VIII. Evaluate dx by Simpson's rule with h = 0.25. Also find the absolute error. of x IX. Using the dot product of vectors, find the angle between the vectors ( = 4/ + 2j - k and b = 21 - 3j -5k X. For the following find the area of the parallelogram determined by the points A(1, -1, 0), B(2, 1, -1) and C(-1, 1, 2)