Let A be a 7 x 4 matrix. (a) What is the maximum possible dimension of the row space of A? - (b) If the solution space of the homogeneous linear system Az = 0 has one free variable, what is the dimension of the column space of A?

Elementary Linear Algebra (MindTap Course List)
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ISBN:9781305658004
Author:Ron Larson
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Chapter3: Determinants
Section3.CM: Cumulative Review
Problem 7CM: Solve the homogeneous linear system corresponding to the coefficient matrix. [121200242412]
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Let A be a 7 x 4 matrix.
(a) What is the maximum possible dimension of the row space of A?
(b) If the solution space of the homogeneous linear system Az = 0 has one free variable, what is
the dimension of the column space of A?
Transcribed Image Text:Let A be a 7 x 4 matrix. (a) What is the maximum possible dimension of the row space of A? (b) If the solution space of the homogeneous linear system Az = 0 has one free variable, what is the dimension of the column space of A?
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