Question
Asked Nov 20, 2019
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2
Find a, b, c, and d so that
-4 3
-1
a b
3 -2
- 8 4
с d
Select the correct choice below and fill in the answer boxes within your choice.
A.
a b
с d
B. There is no solution
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2 Find a, b, c, and d so that -4 3 -1 a b 3 -2 - 8 4 с d Select the correct choice below and fill in the answer boxes within your choice. A. a b с d B. There is no solution

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Expert Answer

Step 1

Write the above matrix as f...

2 1a b
-4 3
3 -2 || с d
-8 4
2b-d
2а -с
-43
3b- 2d
За- 2с
-8 4
Now equate the matrices values as follows.
2а-с %3— 4
(1)
За - 2с %3D —8
(2)
Multiply 3 in equation 1 and multiply 2 in equation 2.
ба-Зс %3 -12
ба-4с 3-16
c 4
Substitute c-4 in equation (1)
2а-(-4) --4
2a 0
a 0
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2 1a b -4 3 3 -2 || с d -8 4 2b-d 2а -с -43 3b- 2d За- 2с -8 4 Now equate the matrices values as follows. 2а-с %3— 4 (1) За - 2с %3D —8 (2) Multiply 3 in equation 1 and multiply 2 in equation 2. ба-Зс %3 -12 ба-4с 3-16 c 4 Substitute c-4 in equation (1) 2а-(-4) --4 2a 0 a 0

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