Exercise 2. Suppose that A and B are matrices of the same size. Prove the following: (a) (aA)¹ = aAª for all scalars a; (b) (A+B)T = AT + BT.

Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
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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Exercise 2. Suppose that A and B are matrices of the same size. Prove the following:
(a) (aA)¹ = aAª for all scalars a;
(b) (A+B)T = AT + BT.
Transcribed Image Text:Exercise 2. Suppose that A and B are matrices of the same size. Prove the following: (a) (aA)¹ = aAª for all scalars a; (b) (A+B)T = AT + BT.
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