4. Let A be a 3 × 3 matrix and det(A) = 1. Compute det([(2A)T]-¹). (a) 8 (6) ㅎ (c) 2 (d) 1/1/ (e) None of these abc d e

Elementary Linear Algebra (MindTap Course List)
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Author:Ron Larson
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Chapter2: Matrices
Section2.1: Operations With Matrices
Problem 72E: Show that no 22 matrices A and B exist that satisfy the matrix equation. AB-BA=1001.
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Question 4. Please show steps and solve thanks.

4.
Let A be a 3 × 3 matrix and det(A) = 1. Compute
det([(2A)T]-¹).
(a) 8
(6) ㅎ
(c) 2
(d) 1/1/
(e) None of these
abc d e
Transcribed Image Text:4. Let A be a 3 × 3 matrix and det(A) = 1. Compute det([(2A)T]-¹). (a) 8 (6) ㅎ (c) 2 (d) 1/1/ (e) None of these abc d e
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