Contents of this Linear algebra episode:

Determinant of 3x3 matrices, Determinant of 4x4 matrices, Expansion rule, Checkboard pattern, expanded along a column, expanded along a row.

Enter the world of simple math.
  • It is very well priced and better and more understandable than many private tutors.

    Mark, 22
  • A website that would teach to integrate even a blind horse.

    Regina, 26
  • Available from home and much cheaper than a private tutor. I use it whenever I want.

    Milan, 19
  • My seventh-grader brother learned to derive, which is quite an evidence that it is explained clearly.

    George, 18