Monday, September 10, 2012

solutions p. 45-48:36-57(x3), 66, 68

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Question Answer Solution
36.

39.



















42. 5

45.


48.


51.


54.


57. i2 = -1, so -2i2 = 2; 4 - i + 8i - 2i2 = 
 6 + 7i.

66.


68a.


68b.


68c.


68d.


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