Determinants

This chapter teaches you about the definitions of determinants, the determinant of a matrix of order one, order two and order 3*3, its properties, inverse and adjoint of the matrix, application of matrices and determinants.

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Created by School Prep . Last updated Sat, 10-Apr-2021 English
Curriculum for this course
31 Lessons 17:12:31 Hours
Determinants
5 Lessons
  • Determinant of a 2x2 matrix 00:01:10
  • Determinant of a 3x3 matrix: standard method (1 of 2) 00:03:57
  • Determinant of a 3x3 matrix: shortcut method (2 of 2) 00:02:39
  • Rule of Sarrus of determinants 00:07:18
  • Quiz 1 3
  • Determinant when row multiplied by scalar 00:13:20
  • (correction) scalar multiplication of row 00:02:52
  • Determinant when row is added 00:16:55
  • Duplicate row determinant 00:08:19
  • Determinant after row operations 00:10:25
  • Upper triangular determinant 00:08:07
  • Quiz 2 3
  • Inverting a 3x3 matrix using determinants Part 1: Matrix of minors and cofactor matrix 00:08:47
  • Inverting a 3x3 matrix using determinants Part 2: Adjugate matrix 00:06:22
  • Quiz 3 3
  • Representing linear systems with matrix equations 00:09:54
  • Solving linear systems with matrix equations 00:06:40
  • Matrix word problem: vector combination 00:14:20
  • quiz 4 4
  • Deriving a method for determining inverses 00:18:00
  • Example of finding matrix inverse 00:06:22
  • Formula for 2x2 inverse 00:18:20
  • 3 x 3 determinant 00:10:01
  • n x n determinant 00:18:40
  • Determinants along other rows/cols 00:09:03
  • Simpler 4x4 determinant 00:09:13
  • Determinant and area of a parallelogram 00:21:37
  • Determinant as scaling factor 00:20:10
  • Notes
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