What are the dimensions of I?  What are the dimensions of ˜I? Which is correct: A>=B A<=B A>B A

Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter3: Determinants
Section3.CM: Cumulative Review
Problem 9CM: Solve for x and y in the matrix equation 2AB=I, given A=[1123] and B=[x2y5].
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What are the dimensions of I

What are the dimensions of ˜I?

Which is correct:

A>=B

A<=B

A>B

A<B 

A = B

or There isn't enough information to say definitively.

Consider the following equation:
B = IAĨ,
where A E R³×2 and I, I represent identity matrices.
Transcribed Image Text:Consider the following equation: B = IAĨ, where A E R³×2 and I, I represent identity matrices.
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