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If a matrix A is 4 x 7 and the product AB is 4×4, what is the size of B? The size of B is X

If a matrix A is 4 x 7 and the product AB is 4×4, what is the size of B? The size of B is X

Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter3: Matrices
Section: Chapter Questions
Problem 14RQ
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If a matrix A is 4×7 and the product AB is 4x4, what is the size of B? The size of B is ]×0.
Transcribed Image Text:If a matrix A is 4×7 and the product AB is 4x4, what is the size of B? The size of B is ]×0.
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