Answer the following questions related to the Rank Theorem and the Rank and Nullity Theorem: a) Suppose A is a 3×4 matrix If A has rank 1, then rank(AT) = 0 b) Suppose A is a 6×7 matrix If A has rank 5, then dim(col(A)) = 0 c) Suppose A is a 6×7 matrix If A has rank 5, then dim(row(A)) = 0 d) Suppose A is a 5×7 matrix If dim(row(A)) = 4, then dim(null(A)) = 0 e) Suppose A is a 5×7 matrix The largest dimension col(A) could possibly have is 0

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter4: Eigenvalues And Eigenvectors
Section4.4: Similarity And Diagonalization
Problem 41EQ: In general, it is difficult to show that two matrices are similar. However, if two similar matrices...
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Answer the following questions related to the Rank Theorem and the Rank and Nullity Theorem:
a) Suppose A is a 3×4 matrix
If A has rank 1, then rank(AT) = 0
b) Suppose A is a 6×7 matrix
If A has rank 5, then dim(col(A)) = 0
c) Suppose A is a 6×7 matrix
If A has rank 5, then dim(row(A)) = 0
d) Suppose A is a 5×7 matrix
If dim(row(A)) = 4, then dim(null(A)) = 0
e) Suppose A is a 5×7 matrix
The largest dimension col(A) could possibly have is 0
Transcribed Image Text:Answer the following questions related to the Rank Theorem and the Rank and Nullity Theorem: a) Suppose A is a 3×4 matrix If A has rank 1, then rank(AT) = 0 b) Suppose A is a 6×7 matrix If A has rank 5, then dim(col(A)) = 0 c) Suppose A is a 6×7 matrix If A has rank 5, then dim(row(A)) = 0 d) Suppose A is a 5×7 matrix If dim(row(A)) = 4, then dim(null(A)) = 0 e) Suppose A is a 5×7 matrix The largest dimension col(A) could possibly have is 0
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