If A and B are 2 x 2 matrices, det(A) = -2, det (B) = 7, then det (AB) = det (2A) = det (AT B³) = ₁ det (A²B-¹) = det (2ABT A-¹)

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter7: Systems Of Equations And Inequalities
Section7.5: Matrices And Matrix Operations
Problem 1SE: Can we add any two matrices together? If so, explain why; if not, explain why not and give an...
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If A and B are 2 x 2 matrices, det(A) = -2, det (B) = 7, then
det (AB):
det (2A)
det (AT B³) =
det (A²B-¹) =
det (2ABT A-¹) =
=
=
Transcribed Image Text:If A and B are 2 x 2 matrices, det(A) = -2, det (B) = 7, then det (AB): det (2A) det (AT B³) = det (A²B-¹) = det (2ABT A-¹) = = =
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