On this webpage you will find my solutions to the fifth edition of "Linear Algebra and its Applications" by David Lay et al. Here is a link to the book's page on amazon.com. If you find my work useful, please consider making a donation. Thank you.

Section 1.1 Section 1.2 Section 1.3
Exercise 1 Exercise 18 Exercise 1 Exercise 18 Exercise 1 Exercise 18
Exercise 2 Exercise 19 Exercise 2 Exercise 19 Exercise 2 Exercise 19
Exercise 3 Exercise 20 Exercise 3 Exercise 20 Exercise 3 Exercise 20
Exercise 4 Exercise 21 Exercise 4 Exercise 21 Exercise 4 Exercise 21
Exercise 5 Exercise 22 Exercise 5 Exercise 22 Exercise 5 Exercise 22
Exercise 6 Exercise 23 Exercise 6 Exercise 23 Exercise 6 Exercise 23
Exercise 7 Exercise 24 Exercise 7 Exercise 24 Exercise 7 Exercise 24
Exercise 8 Exercise 25 Exercise 8 Exercise 25 Exercise 8 Exercise 25
Exercise 9 Exercise 26 Exercise 9 Exercise 26 Exercise 9 Exercise 26
Exercise 10 Exercise 27 Exercise 10 Exercise 27 Exercise 10 Exercise 27
Exercise 11 Exercise 28 Exercise 11 Exercise 28 Exercise 11 Exercise 28
Exercise 12 Exercise 29 Exercise 12 Exercise 29 Exercise 12 Exercise 29
Exercise 13 Exercise 30 Exercise 13 Exercise 30 Exercise 13 Exercise 30
Exercise 14 Exercise 31 Exercise 14 Exercise 31 Exercise 14 Exercise 31
Exercise 15 Exercise 32 Exercise 15 Exercise 32 Exercise 15 Exercise 32
Exercise 16 Exercise 33 Exercise 16 Exercise 33 Exercise 16 Exercise 33
Exercise 17 Exercise 34 Exercise 17 Exercise 34 Exercise 17 Exercise 34
Section 1.4 Section 1.5 Section 1.6 Section 1.7
Exercise 1 Exercise 23 Exercise 1 Exercise 23 Exercise 1 Exercise 1 Exercise 23
Exercise 2 Exercise 24 Exercise 2 Exercise 24 Exercise 2 Exercise 2 Exercise 24
Exercise 3 Exercise 25 Exercise 3 Exercise 25 Exercise 3 Exercise 3 Exercise 25
Exercise 4 Exercise 26 Exercise 4 Exercise 26 Exercise 4 Exercise 4 Exercise 26
Exercise 5 Exercise 27 Exercise 5 Exercise 27 Exercise 5 Exercise 5 Exercise 27
Exercise 6 Exercise 28 Exercise 6 Exercise 28 Exercise 6 Exercise 6 Exercise 28
Exercise 7 Exercise 29 Exercise 7 Exercise 29 Exercise 7 Exercise 7 Exercise 29
Exercise 8 Exercise 30 Exercise 8 Exercise 30 Exercise 8 Exercise 8 Exercise 30
Exercise 9 Exercise 31 Exercise 9 Exercise 31 Exercise 9 Exercise 9 Exercise 31
Exercise 10 Exercise 32 Exercise 10 Exercise 32 Exercise 10 Exercise 10 Exercise 32
Exercise 11 Exercise 33 Exercise 11 Exercise 33 Exercise 11 Exercise 11 Exercise 33
Exercise 12 Exercise 34 Exercise 12 Exercise 34 Exercise 12 Exercise 12 Exercise 34
Exercise 13 Exercise 35 Exercise 13 Exercise 35 Exercise 13 Exercise 13 Exercise 35
Exercise 14 Exercise 36 Exercise 14 Exercise 36 Exercise 14 Exercise 14 Exercise 36
Exercise 15 Exercise 37 Exercise 15 Exercise 37 Exercise 15 Exercise 37
Exercise 16 Exercise 38 Exercise 16 Exercise 38 Exercise 16 Exercise 38
Exercise 17 Exercise 39 Exercise 17 Exercise 39 Exercise 17 Exercise 39
Exercise 18 Exercise 40 Exercise 18 Exercise 40 Exercise 18 Exercise 40
Exercise 19 Exercise 41 Exercise 19 Exercise 19 Exercise 41
Exercise 20 Exercise 42 Exercise 20 Exercise 20 Exercise 42
Exercise 21 Exercise 21 Exercise 21 Exercise 43
Exercise 22 Exercise 22 Exercise 22 Exercise 44
Section 1.8 Section 1.9 Section 1.10 Ch. 1 SE
Exercise 1 Exercise 21 Exercise 1 Exercise 21 Exercise 1 Exercise 1 Exercise 21
Exercise 2 Exercise 22 Exercise 2 Exercise 22 Exercise 2 Exercise 2 Exercise 22
Exercise 3 Exercise 23 Exercise 3 Exercise 23 Exercise 3 Exercise 3 Exercise 23
Exercise 4 Exercise 24 Exercise 4 Exercise 24 Exercise 4 Exercise 4 Exercise 24
Exercise 5 Exercise 25 Exercise 5 Exercise 25 Exercise 5 Exercise 5 Exercise 25
Exercise 6 Exercise 26 Exercise 6 Exercise 26 Exercise 6 Exercise 6
Exercise 7 Exercise 27 Exercise 7 Exercise 27 Exercise 7 Exercise 7
Exercise 8 Exercise 28 Exercise 8 Exercise 28 Exercise 8 Exercise 8
Exercise 9 Exercise 29 Exercise 9 Exercise 29 Exercise 9 Exercise 9
Exercise 10 Exercise 30 Exercise 10 Exercise 30 Exercise 10 Exercise 10
Exercise 11 Exercise 31 Exercise 11 Exercise 31 Exercise 11 Exercise 11
Exercise 12 Exercise 32 Exercise 12 Exercise 32 Exercise 12 Exercise 12
Exercise 13 Exercise 33 Exercise 13 Exercise 33 Exercise 13 Exercise 13
Exercise 14 Exercise 34 Exercise 14 Exercise 34 Exercise 14 Exercise 14
Exercise 15 Exercise 35 Exercise 15 Exercise 35 Exercise 15
Exercise 16 Exercise 36 Exercise 16 Exercise 36 Exercise 16
Exercise 17 Exercise 37 Exercise 17 Exercise 37 Exercise 17
Exercise 18 Exercise 38 Exercise 18 Exercise 38 Exercise 18
Exercise 19 Exercise 39 Exercise 19 Exercise 39 Exercise 19
Exercise 20 Exercise 40 Exercise 20 Exercise 40 Exercise 20