Determinants
A series of free Intermediate Algebra Lessons.
How to find the determinants of 2 by 2 matrices?
How to find the area of polygons using determinants?<
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The following figures show how to find the determinant of a 2x2 matrix and a 3x3 matrix. Scroll down the page for more examples and solutions.
Evaluating 2 x 2 Determinants, Part 1
Matrices and Determinants
Evaluating 2 x 2 Determinants, Part 2
Evaluating 2 x 2 Determinants, Part 3
Applying Determinants: How to find the area of polygons using determinants?
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