test for exactness? Give examples. 10. What is Green's Theorem? Discuss how the two forms of Green's Theorem extend the Net Change Theorem in Chapter 5. CHAPTER 16 Practice Exercises Evaluating Line Integrals 1. The accompanying figure shows two polygonal paths in space joining the origin to the point (1,1, 1). Integrate f(x, y, z) 2x 3y2 2z 3 over each path. (0,0, 0) .? (1, 1,1) Path 2 Path 1 2. The accompanying figure shows three polygonal paths joining the , the point (1 L D. Integrate-f(x, y, z) x2 + y-z over