B. Fun Subspaces Consider the following 3 x 4 matrix A and its Reduced Row Echelon form, denoted U. [1 2 0 1 A = 0 1 20 1 2 0 1 - [10 -4 1 U = 0 1 2 [0000] 0 1. Find a basis and dimension for the four fundamental subspaces of A and U. 2. Which of the four fundamental spaces of A have the same dimension as those of U? If so, why? 3. Which of the four fundamental spaces of A are equal to those of U? If so, why? Note that parts (1) and (3) are asking different questions. Not all subspaces of equal dimension are equivalent.
B. Fun Subspaces Consider the following 3 x 4 matrix A and its Reduced Row Echelon form, denoted U. [1 2 0 1 A = 0 1 20 1 2 0 1 - [10 -4 1 U = 0 1 2 [0000] 0 1. Find a basis and dimension for the four fundamental subspaces of A and U. 2. Which of the four fundamental spaces of A have the same dimension as those of U? If so, why? 3. Which of the four fundamental spaces of A are equal to those of U? If so, why? Note that parts (1) and (3) are asking different questions. Not all subspaces of equal dimension are equivalent.
Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter7: Eigenvalues And Eigenvectors
Section7.CM: Cumulative Review
Problem 18CM
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