Determine whether the statement below is true or false. Justify the answer. Here, A is an m×n matrix. The dimension of the column space of A is rank A.
Determine whether the statement below is true or false. Justify the answer. Here, A is an m×n matrix. The dimension of the column space of A is rank A.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Determine whether the statement below is true or false. Justify the answer.
Here, A is an m×n matrix. The dimension of the column space of A is rank A.

Transcribed Image Text:Determine whether the statement below is true or false. Justify the answer. Here, A is an mxn matrix.
The dimension of the column space of A is rank A.
Choose the correct answer below.
O A. The statement is false. The rank of matrix A is equal to the dimension of the column space of A plus the dimension of the null space of A.
B. The statement is true. The rank of matrix A is the dimension of the column space of A.
O c. The statement is true. The rank of matrix A is equal to n, which is also equal to the dimension of the column space of A.
O D. The statement is false. The rank of matrix A is equal to the number of columns plus the number of rows of A, or rank A = m + n.
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