(a) Find row 2 and column 3 of AB. (b) Express row 2 of AB as a linear combination of the rows of B. Express column 3 of AB as a linear combination of the columns of A. Consider the following matrices: A = 8 52 0 [17]-[119] 2 0 B = 18 0 -8 4 3 -6

College Algebra (MindTap Course List)
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Chapter6: Linear Systems
Section6.3: Matrix Algebra
Problem 8E
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(a) Find row 2 and column 3 of AB.
(b) Express row 2 of AB as a linear combination of the rows of B. Express column 3 of AB as a
linear combination of the columns of A.
Transcribed Image Text:(a) Find row 2 and column 3 of AB. (b) Express row 2 of AB as a linear combination of the rows of B. Express column 3 of AB as a linear combination of the columns of A.
Consider the following matrices:
A =
8
52 0
[17]-[119]
2 0 B = 18 0
-8
4 3 -6
Transcribed Image Text:Consider the following matrices: A = 8 52 0 [17]-[119] 2 0 B = 18 0 -8 4 3 -6
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