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- 1 2 A = 5 , B = -2 2 4 5 -3

- 1 2 A = 5 , B = -2 2 4 5 -3

Elementary Linear Algebra (MindTap Course List)
Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter2: Matrices
Section2.1: Operations With Matrices
Problem 76E
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Compute the product AB by the definition of the product of​ matrices, where AB1 and AB2 are computed​ separately, and by the​ row-column rule for computing AB.

Determine the numerical expression for the first entry in the first column of AB using the row-column rule. Choose the correct answer below. O A. ((- 1) + (4)) • ((2) + (– 2) B. ((- 1) - (4)) • ((2) – (- 2) O c. - 1(4) - 2(- 2) D. - 1(4) + 2( - 2) Determine the product AB. AB = (Use integers or decimals for any numbers in the expression.)
Transcribed Image Text:Determine the numerical expression for the first entry in the first column of AB using the row-column rule. Choose the correct answer below. O A. ((- 1) + (4)) • ((2) + (– 2) B. ((- 1) - (4)) • ((2) – (- 2) O c. - 1(4) - 2(- 2) D. - 1(4) + 2( - 2) Determine the product AB. AB = (Use integers or decimals for any numbers in the expression.)
Compute the product AB by the definition of the product of matrices, where Ab, and Ab, are computed separately, and by the row-column rule for computing AB. -1 2 A = 2 B = -2 -3 Set up the product Ab,, where b, is the first column of B. Ab, = (Use one answer box for A and use the other answer box for b,.) Calculate Ab1, where b, is the first column of B. Ab, = (Type an integer or decimal for each matrix element,) Set up the product Ab2, where b, is the second column of B. Ab2 =ON (Use one answer box for A and use the other answer box for b,.) Calculate Ab,, where b, is the second column of B. Ab, = (Type an integer or decimal for each matrix element.)
Transcribed Image Text:Compute the product AB by the definition of the product of matrices, where Ab, and Ab, are computed separately, and by the row-column rule for computing AB. -1 2 A = 2 B = -2 -3 Set up the product Ab,, where b, is the first column of B. Ab, = (Use one answer box for A and use the other answer box for b,.) Calculate Ab1, where b, is the first column of B. Ab, = (Type an integer or decimal for each matrix element,) Set up the product Ab2, where b, is the second column of B. Ab2 =ON (Use one answer box for A and use the other answer box for b,.) Calculate Ab,, where b, is the second column of B. Ab, = (Type an integer or decimal for each matrix element.)
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