Exercises 14.3, page 413

1. $\pm \frac{1}{2} j \sqrt{2}, \pm 2$ $\pm \frac{1}{2} j \sqrt{2}, \pm 2$
3. $- 3, - 1, 1, 3$ $- 3, - 1, 1, 3$
5. $- \frac{3}{2}, \frac{1}{3}$ $- \frac{3}{2}, \frac{1}{3}$
7. $- \frac{1}{2}, \frac{1}{2}, \frac{1}{6} j \sqrt{6}, - \frac{1}{6} j \sqrt{6}$ $- \frac{1}{2}, \frac{1}{2}, \frac{1}{6} j \sqrt{6}, - \frac{1}{6} j \sqrt{6}$
9. $1, \frac{9}{4}$ $1, \frac{9}{4}$
11. $\frac{64}{729}, 1$ $\frac{64}{729}, 1$
13. $- 27, 125$ $- 27, 125$
15. 81
17. 26
19. $- 2, - 1, 3, 4$ $- 2, - 1, 3, 4$
21. 18
23. $\frac{3}{4}, \frac{4}{3}$ $\frac{3}{4}, \frac{4}{3}$
25. $1, - 1, j \sqrt{2}, - j \sqrt{2}$ $1, - 1, j \sqrt{2}, - j \sqrt{2}$
27. 0, ln 2
29. $\pm 2, \pm 4$ $\pm 2, \pm 4$
31. 1, 4
33. 10, 100
35. $- 2, - 1, 1, 2$ $- 2, - 1, 1, 2$
37. $R_{1} = 2.62 Ω, R_{2} = 1.62 Ω$ $R_{1} = 2.62 Ω, R_{2} = 1.62 Ω$
39. 0.610
41. 52.3 in., 29.5 in.

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Table of Contents for Exercises 14.3, page 413