For each of the following pairs of matrices A, B calculate the products AB and BA, if they exist. a) A?? = [1 2] [ -1 3], B = [0 3] [2 -4] b) A = ? [−2 −1] [1 0] ? , B = [1 0 5 ][2 4 3] c) A ?= [1 0 2] [3 -1 4] [2 1 3] , B? = [412] [101] [320] * imagine in matrix set up 1st bracket is first row of numbers and so on.
For each of the following pairs of matrices A, B calculate the products AB and BA, if they exist. a) A?? = [1 2] [ -1 3], B = [0 3] [2 -4] b) A = ? [−2 −1] [1 0] ? , B = [1 0 5 ][2 4 3] c) A ?= [1 0 2] [3 -1 4] [2 1 3] , B? = [412] [101] [320] * imagine in matrix set up 1st bracket is first row of numbers and so on.
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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For each of the following pairs of matrices A, B calculate the products AB and BA, if they exist.
a) A?? = [1 2] [ -1 3], B = [0 3] [2 -4]
b) A = ? [−2 −1] [1 0] ? , B = [1 0 5 ][2 4 3]
c) A ?= [1 0 2] [3 -1 4] [2 1 3] , B? = [412] [101] [320]
* imagine in matrix set up 1st bracket is first row of numbers and so on.
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