QUESTION 3 For what value of k (upto one decimal place), the vectors u= (9,-9), v=(7,k) are linearly dependent. QUESTION 4 1 -1 2 Let A = 6, in finding the inverse A, use the given row operations to find the equivalent of 3 -5 7 21 6 0 1 -1 2 0 1 -5 70 1

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 22EQ
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QUESTION 3
For what value ofk (upto one decimal place), the vectors u= (9,-9), v-(7,k) are linearly dependent.
QUESTION 4
1
-1
Let A = 2
,in finding the inverse A, use the given row operations to find the equivalent of
-5
1
-1
2 1
6 0
70
2
1
-5
1
-2R1 + R2 → R2, 3R1 + R3 - R3
1
-1
21
2
20
1
-2
10
1
O[1
-1
2 1
-2
2 2
1
-1|3
1
1
-1
2 1
2 -2
1
-2
1-3
O None of these
-1
2 1
6 0
1
-5
70
1
QUESTION 5
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سماء صافية 31°C
Transcribed Image Text:QUESTION 3 For what value ofk (upto one decimal place), the vectors u= (9,-9), v-(7,k) are linearly dependent. QUESTION 4 1 -1 Let A = 2 ,in finding the inverse A, use the given row operations to find the equivalent of -5 1 -1 2 1 6 0 70 2 1 -5 1 -2R1 + R2 → R2, 3R1 + R3 - R3 1 -1 21 2 20 1 -2 10 1 O[1 -1 2 1 -2 2 2 1 -1|3 1 1 -1 2 1 2 -2 1 -2 1-3 O None of these -1 2 1 6 0 1 -5 70 1 QUESTION 5 Click Save and Submit to save and submit. Click Save All Answers to save all answers. سماء صافية 31°C
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