Math 20D
Introduction to Differential Equations

Homework Assignments

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HOMEWORK 1:   Due Thursday, January 19
  • Section 1.1   (Boyce & DiPrima):  7, 9, 23
  • Section 1.2   (Boyce & DiPrima):  3, 4, 9, 12
  • Section 1.3   (Boyce & DiPrima):  1, 6, 10, 27
  • Section 2.1   (Boyce & DiPrima):  14, 16, 22 (b and c), 29, 31
  • Section 2.2   (Boyce & DiPrima):  3, 4, 12 (a,c), 17 (a) -- no computer should be necessary for these problems.
Quiz 1 on Friday, January 20 covering sections 1.1-2.2

HOMEWORK 2:   Due Thursday, January 26
  • Section 2.3   (Boyce & DiPrima):  3, 8, 12, 16, 24
  • Section 2.4   (Boyce & DiPrima):  3, 8, 15, 22, 29
  • Section 2.5   (Boyce & DiPrima):  3, 12, 15, 20, 24
  • Section 2.6   (Boyce & DiPrima):  4, 8, 10, 22, 26
Quiz 2 on Friday, January 27 covering sections 2.3-2.6

HOMEWORK 3:   Due Thursday, February 2
  • Section 3.1   (Boyce & DiPrima):  1, 6, 11, 20, 27
  • Section 3.2   (Boyce & DiPrima):  4, 8, 12, 13, 25
  • Section 3.3   (Boyce & DiPrima):  1, 4, 10, 18, 23
  • Section 3.4   (Boyce & DiPrima):  3, 10, 18, 25, 29
Mid-term 1 on Monday, February 6 covering sections 1.1-3.4

HOMEWORK 4:   Due Thursday, February 16
  • Section 3.5   (Boyce & DiPrima):  8, 14, 20, 27
  • Section 3.6   (Boyce & DiPrima):  2, 5, 14, 21(a), 27
  • Section 3.7   (Boyce & DiPrima):  2, 7, 17, 21
  • Section 11.1   (Stewart):  7, 13, 17, 31, 55, 63
Quiz 3 on Friday, February 17 covering sections 3.5-3.7 (Boyce & DiPrima), 11.1 (Stewart)

HOMEWORK 5:   Due Thursday, February 23
  • Section 11.2   (Stewart):  9, 13, 23, 49, 65
  • Section 11.3   (Stewart):  1, 7, 17, 31
  • Section 11.4   (Stewart):  9, 13, 40, 42
  • Section 11.5   (Stewart):  3, 13, 23, 27
  • Section 11.6   (Stewart):  1, 9, 21, 31
Quiz 4 on Friday, February 24 covering sections 11.2-11.6

HOMEWORK 6:   Due Thursday, March 2
  • Section 11.8   (Stewart):  3, 9, 25, 35
  • Section 11.9   (Stewart):  5, 11, 15, 29, 34
  • Section 11.10   (Stewart):  3, 9, 13, 23, 41
  • Section 11.12   (Stewart):  7 (no graph), 15 (a,b), 21 (a,b), 31, 37
Mid-term 2 on Monday, March 6 covering sections 3.5-3.7 (Boyce & DiPrima), 11.1-11.12 (Stewart)

HOMEWORK 7:   Due Thursday, March 9
  • Section 5.1   (Boyce & DiPrima):  none (review of sequences and series)
  • Section 5.2   (Boyce & DiPrima):  1, 4, 8, 20
  • Section 5.3   (Boyce & DiPrima):  2, 6, 11, 17

HOMEWORK 8:   Due Thursday, March 16
  • Section 6.1   (Boyce & DiPrima):  3, 5, 7, 8, 15
  • Section 6.2   (Boyce & DiPrima):  1, 3, 15, 23, 25

HOMEWORK 9:   Due Tuesday, March 21
  • Section 6.3   (Boyce & DiPrima):  none
  • Section 6.4   (Boyce & DiPrima):  none
  • Section 6.5   (Boyce & DiPrima):  none
Final Exam on Wednesday, March 22 covering all of the above sections.