Denote the columns of A by a1, a2, a3, and let W = Span {a1, a2, a3}.

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Denote the columns of A by a1, a2, a3, and let W = Span {a1, a2, a3}.
Let

And

a. Is b in {a1, a2, a3}? How many vectors are in {a1, a2, a3}?
b. Is b in W? How many vectors are in W?
c. Show that a1 is in W. [Hint: Row operations are unnecessary.]

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Linear Algebra and Its Applications

ISBN: 978-0321791542

4th edition

Authors: David C. Lay

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Question Posted: May 02, 2016 12:00 PM

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Denote the columns of A by a1, a2, a3, and let W = Span {a1, a2, a3}.

Question:

1 0-4 A= 03-2 -2 6 3

Step by Step Answer:

a There are only three vectors in the set a 1 a 2 a 3 and b is not one of them b T...View the full answer

Linear Algebra and Its Applications

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