MATH 120A HW , WINTER 2013

HW #10  Due by Friday March 15 (but don't turn in):

p. 239, #1-6
p. 243  #1-3
p. 248  #1-4

HW#9  Due noon Friday March 8 

p. 195 #7, 13
p. 205 #3, 4, 8a
p. 219 #1, 6

HW#8  Do by Friday March 1 (but don't turn in):
p. 179 #1-6 and #9

Friday midterm:  Most questions will be similar to hw problems.
You may also be asked to prove a major theorem that was proved in class.
Don't forget to bring a bluebook to the midterm.
Study Sections 26 -- 54.

HW#7  Due noon Friday Feb 22

p. 160 #1, 2, 6
p. 170 #2, 4

HW#6  Due noon Friday Feb 15
p. 121  #2
p. 135 #1-8
p. 140 #1, 2, 5

HW#5   Due noon Friday Feb 8:
p. 81 #1a, 2, 3
p. 92 #1b, 6, 8, 11, 13
p. 97 #1, 2c, 3, 5

HW#4  Do by Friday Feb 1 (but don't turn in):
p. 71 #1d, 2b, 3, 4b, 6
p. 78 #4, 6
Friday midterm:  Most questions will be similar to hw problems.
You may also be asked to prove a major theorem that was proved in class.
Don't forget to bring a bluebook to the midterm.

HW#3 Due noon Friday Jan 25:
p.44 #3,7
p.55 #5
p.62 #4 (Hint: Differentiable functions are continuous--see p. 59)
p.62 #6b (Hint:  See bottom of p. 7)
p.63 #7,8
My own problems:
Problem A: Prove that complex conjugation is a continuous but not differentiable function.
Problem B: Prove that as z approaches infinity, so does z^3 + z^2.
Hint:  z^3 + z^2 = z^3 (1 +  1/z), and note that the second factor approaches 1.


HW#2 Due noon Friday Jan 18:
p.23 #6, 10
p.29 #1, 2, 3, 6
p. 33 #1, 2, 3, 4, 7
p. 37 #1, 2


HW#1 Due noon Friday Jan 11:
p.5  #1(b), 4
p.8  #1(a)(c)
p.12 #4
p.15 #12, 14
p.22 #1,2