Parker Glynn-Adey

MAT A33 — Week 6

Posted in 2016 -- MATA33, Lecture Notes by pgadey on 2015/12/17

This blog post contains my notes for MAT A33. It includes links to my lecture notes, practice problems, and some additional references for the curious.

The official class notes on determinants are available here.


  • Determinants (2 × 2 and 3 × 3)
  • Determinants of general square matrices via co-factor expansion
  • Cramer’s rule
  • General properties, row operations and the determinant

Additional references:

Khan Academy has a series of videos on determinants of 2×2 matrices.

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