Consider the following vectors: 1 1 2 ;V2 = 1 Vị = ;V3 4 (a) Determine if these vectors are linearly independent or dependent. (b) Is is possible to express 1 V = 2 -3 as a linear combination of v1, V2, and v3?

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Consider the following vectors:
1
1
Vị =
;V2 =
1
;V3 =
4
(a) Determine if these vectors are linearly independent or dependent.
(b) Is is possible to express
1
V =
2
-3
as a linear combination of v1, v2, and v3?
Transcribed Image Text:Consider the following vectors: 1 1 Vị = ;V2 = 1 ;V3 = 4 (a) Determine if these vectors are linearly independent or dependent. (b) Is is possible to express 1 V = 2 -3 as a linear combination of v1, v2, and v3?
Expert Solution
Step 1

Given vector are v1=121, v2=132 and v3=104.

(a) We have determine whether the these vectors are linearly independent or dependent.

First write the given vectors in matrix form, which is given below

Let A=111230124

Now,

detA=1120180+143=128+1=5

Hence, detA=5

Since, detA0 that is matrix A=111230124 has rank 3.

This implies the the given vectors v1=121, v2=132 and v3=104 are linearly independent.

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