Consider the 2 x 2 matrices where x and y denote the row vectors of B. Then
Question:
Consider the 2 x 2 matrices
where x and y denote the row vectors of B. Then the product AB can be written in the form
Use this expression and the properties of determinants to show that
Thus the determinant of a product of 2 x 2 matrices is equal to the product of their determinants.
Transcribed Image Text:
a X A = b] [22] and [3] B =
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Related Book For
Differential Equations And Linear Algebra
ISBN: 9780134497181
4th Edition
Authors: C. Edwards, David Penney, David Calvis
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