6:59 ~ V .. . . . A Question 2 Solve all problems completely. Show all your written working, justifications and explanations supporting your ar Show algebraically how you find intersection points/critical values. Show all necessary steps. Box your final ansv Submit pictures of your solutions/answers by uploading file/s. a. Show that the line integral So (yz - 2z) da + (xz + 3) dy + (cy - 2x) dz is independent of the path. point) b. Evaluate the line integral So (yz - 2z) da + (xz + 3) dy + (xy - 2x) dz. where C is any sectionally smooth simple curve from the point ( 1, 0, 1) to the point (0, -2, 4). (Hint: Find potential function for the vector field.) (4 points) III O