Dimension of the column space or rank | Vectors and spaces | Linear Algebra | Khan Academy - YouTube

https://www.youtube.com/watch?v=JUgrBkPteTg&time_continue=684

Dimension of the Column Space or Rank Watch the next lesson: https://www.khanacademy.org/math/linear-algebra/vectors_and_spaces/null_column_space/v/showing-r...