Explain why the columns of an nxn matrix A span R" when A is invertible. Choose the correct answer below. O A. Since A is invertible, there exists A such that AA=I. Since AA1 =I, the columns of A span R". O B. Since A is invertible, det A is zero. Since det A is zero, the columns of A span R". O C. Since A is invertible, for each b in R" the equation Ax = b has a unique solution. Since the equation Ax = b has a solution for all b in R", the columns of A span R". O D. Since A is invertible, each b is a linear combination of the columns of A. Since each b is a linear combination of the columns of A, the columns of A span R".
Explain why the columns of an nxn matrix A span R" when A is invertible. Choose the correct answer below. O A. Since A is invertible, there exists A such that AA=I. Since AA1 =I, the columns of A span R". O B. Since A is invertible, det A is zero. Since det A is zero, the columns of A span R". O C. Since A is invertible, for each b in R" the equation Ax = b has a unique solution. Since the equation Ax = b has a solution for all b in R", the columns of A span R". O D. Since A is invertible, each b is a linear combination of the columns of A. Since each b is a linear combination of the columns of A, the columns of A span R".
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section9.8: Determinants
Problem 26E
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