52 - The rank of T
37:12
53 - The rank-nullity theorem revisited
34:28
49 - Ker(T) and Im(T)
44:47
38 - The dimension of Row(A) and Col(A)
1:10:35
60 - Similarity of matrices
25:32
62 - Diagonalization
37:19
48 - Linear maps
8:21
Dimension of a Solution Space to a Homogeneous Linear System
40:07