Math 13 Homework #24 The conclusion is inescapable that even for a fixed and well-defined body of mathematical propositions, mathematical thinking is, and must remain, essentially creative. Emil Post

	Reading Read what we will cover in the next class: 14.6. When reading 14.6 pay special attention to the following concepts: parametrizing surfaces, look especially close at the examples, tangent planes, equation for the surface area of a parametrized surface

	Problems The following problems should be turned by the beginning of class on Monday 11/23: 14.5: 5, 9, 11, 13, 17, 21, 22, 24, 25, 31, 41. Hint on #41: use #25.