Solutions to Problem Set 1

1. page 5 #14

2. page 5 #16

3. page 23 #10 b)

4. page 23 # 12

5. page 31 #8 a)

6. page 31 #8 b)

7. page 31 #10

since for all y. If then .

8. page 37 # 10

. Thus one fourth root of -1 is . The other fourth roots differ in angle by a multiple of .

Thus the roots are

while

.