-5 10 5 Let A = 2 -3 -1 and b = -2 -1 4 0 Denote the columns of A by a1. a2. a3, and let W = span {a1, a2, a3}. Select Answer v 1. Determine if b is in W Select Answer v 2. Determine if b is in {a1, a2, a3} How many vectors are in {a1, a2, a3}? (For infinitely many, enter -1) How many vectors are in W? (For infinitely many, enter -1)

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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Question
-5 10 5
Let A =
2 -3 -1
and b =
-2
-1
4
-1
Denote the columns of A by a1, az, az, and let W = span {a1, az2, a3}.
Select Answer
1. Determine if b is in W
Select Answer v 2. Determine if b is in {a1, a2, az}
How many vectors are in {a1, a2, az}? (For infinitely many, enter -1)
How many vectors are in W? (For infinitely many, enter -1)
Transcribed Image Text:-5 10 5 Let A = 2 -3 -1 and b = -2 -1 4 -1 Denote the columns of A by a1, az, az, and let W = span {a1, az2, a3}. Select Answer 1. Determine if b is in W Select Answer v 2. Determine if b is in {a1, a2, az} How many vectors are in {a1, a2, az}? (For infinitely many, enter -1) How many vectors are in W? (For infinitely many, enter -1)
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