e answers in parts a and b the same? eral, for matrices A and B such that AB and BA both exist, does AB always equal BA?

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
34
MA-[¨¦¦-----[3]
and B =
1
Let A =
a. Find AB, if possible.
b. Find BA, if possible.
1
38
c. Are the answers in parts a and b the same?
d. In general, for matrices A and B such that AB and BA both exist, does AB always equal BA?
A. AB =
a. Find AB, if possible. Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice.
B. The product AB cannot be found.
Transcribed Image Text:34 MA-[¨¦¦-----[3] and B = 1 Let A = a. Find AB, if possible. b. Find BA, if possible. 1 38 c. Are the answers in parts a and b the same? d. In general, for matrices A and B such that AB and BA both exist, does AB always equal BA? A. AB = a. Find AB, if possible. Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice. B. The product AB cannot be found.
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