Question
A = [-2 4] , & B= [-2. 1] 1 3 3 8 a. Find AB , if possible. A. AB= _______. B. The product
A = [-2 4] , & B= [-2. 1]
1 3 3 8
a.Find AB, if possible.
A. AB= _______.
B. The product AB cannot be found.
b.FindBA, if possible.
A.BA= ________.
B. the product BA cannot be found.
c.Are the answers in partsaandbthesame?
A. yes
B. no
d.Ingeneral, for matrices A and B such that AB and BA bothexist, does AB always equalBA?
A. Yes
B. No
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Linear Algebra and Its Applications
Authors: David C. Lay
4th edition
321791541, 978-0321388834, 978-0321791542
