Could a set of three vectors in R* span all of R4? Explain. What about n vectors in RM when n is less than m? Could a set of three vectors in R* span all of R4? Explain. Choose the correct answer below. O A. No. The matrix A whose columns are the three vectors has four rows. To have a pivot in each row, A would have to have at least four columns (one for each pivot). O B. Yes. Any number of vectors in Rª will span all of R4. OC. No. There is no way for any number of vectors in Rª to span all of R4. O D. Yes. A set of n vectors in RM can span RM when n

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter2: Systems Of Linear Equations
Section2.3: Spanning Sets And Linear Independence
Problem 21EQ
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Could a set of three vectors in R4 span all of R4? Explain. What about n vectors in Rm when n is less than m?
Could a set of three vectors in R* span all of R*? Explain. Choose the correct answer below.
O A. No. The matrix A whose columns are the three vectors has four rows. To have a pivot in each row, A would have to have at least four
columns (one for each pivot).
O B. Yes. Any number of vectors in R4 will span all of R4.
O C. No. There is no way for any number of vectors in R* to span all of R4.
O D. Yes. A set of n vectors in Rm can span Rm when n<m There is a sufficient number of rows in the matrix A formed by the vectors to have
enough pivot points to show that the vectors span Rm.
Could a set of n vectors in R" span all of R" when n is less than m? Explain. Choose the correct answer below.
O A. No. Without knowing values of n and m, there is no way to determine if n vectors in R" will span all of R"
O B. Yes. Any number of vectors in Rm will span all of R"
O c. No. The matrix A whose columns are the n vectors has m rows. To have a pivot in each row, A would have to have at least m columns (one
for each pivot).
O D. Yes. A set of n vectors in RM can span RM if n<m. There is a sufficient number of rows in the matrix A formed by the vectors to have
enough pivot points to show that the vectors span Rm
Transcribed Image Text:Could a set of three vectors in R4 span all of R4? Explain. What about n vectors in Rm when n is less than m? Could a set of three vectors in R* span all of R*? Explain. Choose the correct answer below. O A. No. The matrix A whose columns are the three vectors has four rows. To have a pivot in each row, A would have to have at least four columns (one for each pivot). O B. Yes. Any number of vectors in R4 will span all of R4. O C. No. There is no way for any number of vectors in R* to span all of R4. O D. Yes. A set of n vectors in Rm can span Rm when n<m There is a sufficient number of rows in the matrix A formed by the vectors to have enough pivot points to show that the vectors span Rm. Could a set of n vectors in R" span all of R" when n is less than m? Explain. Choose the correct answer below. O A. No. Without knowing values of n and m, there is no way to determine if n vectors in R" will span all of R" O B. Yes. Any number of vectors in Rm will span all of R" O c. No. The matrix A whose columns are the n vectors has m rows. To have a pivot in each row, A would have to have at least m columns (one for each pivot). O D. Yes. A set of n vectors in RM can span RM if n<m. There is a sufficient number of rows in the matrix A formed by the vectors to have enough pivot points to show that the vectors span Rm
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