Exercises 14.3, page 413

  1. 1.  ± 12j2 ,   ± 2

  2. 3.  − 3 ,   − 1 ,  1 ,  3

  3. 5.  − 32 ,  13

  4. 7.  − 12 ,  12 ,  16j6 ,   − 16j6

  5. 9. 1 ,  94

  6. 11. 64729 ,  1

  7. 13.  − 27 ,  125

  8. 15. 81

  9. 17. 26

  10. 19.  − 2 ,   − 1 ,  3 ,  4

  11. 21. 18

  12. 23. 34 ,  43

  13. 25. 1 ,   − 1 ,  j2 ,   − j2

  14. 27. 0, ln 2

  15. 29.  ± 2 ,   ± 4

  16. 31. 1, 4

  17. 33. 10, 100

  18. 35.  − 2 ,   − 1 ,  1 ,  2

  19. 37. R1 = 2.62 Ω  ,  R2 = 1.62 Ω 

  20. 39. 0.610

  21. 41. 52.3 in., 29.5 in.

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