Question 8 of 9 < View Policies Current Attempt in Progress 3 8 Let A = and evaluate the determinant of the matrix A. -2 4 det (A) = If the matrix is invertible, use the equation A = 1 det (A) d -b -C a ] b for A = [ a C }] to find its inverse. If the matrix is not invertible, d indicate that using the checkbox. NOTE: Write the elements of the matrix exactly. ? ? A-¹- ? ? A is not invertible. = >
Question 8 of 9 < View Policies Current Attempt in Progress 3 8 Let A = and evaluate the determinant of the matrix A. -2 4 det (A) = If the matrix is invertible, use the equation A = 1 det (A) d -b -C a ] b for A = [ a C }] to find its inverse. If the matrix is not invertible, d indicate that using the checkbox. NOTE: Write the elements of the matrix exactly. ? ? A-¹- ? ? A is not invertible. = >
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.7: Distinguishable Permutations And Combinations
Problem 14E
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![Question 8 of 9
<
View Policies
Current Attempt in Progress
Let A
8] ar
and evaluate the determinant of the matrix A.
det (A)
=
If the matrix is invertible, use the equation A-¹
= det (A)
d -b
-C a
a b
for A =
= [
1 to find its inverse. If the matrix is not invertible,
C
d
indicate that using the checkbox.
NOTE: Write the elements of the matrix exactly.
? ?
A-¹ =
)
A is not invertible.
? ?
=
3
-24
- 1](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F449aec2f-1d59-4dc0-a1f8-18a413b02ad6%2Fd7553893-55ac-47eb-9abd-a4423c1207fd%2Fhfwiomb_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Question 8 of 9
<
View Policies
Current Attempt in Progress
Let A
8] ar
and evaluate the determinant of the matrix A.
det (A)
=
If the matrix is invertible, use the equation A-¹
= det (A)
d -b
-C a
a b
for A =
= [
1 to find its inverse. If the matrix is not invertible,
C
d
indicate that using the checkbox.
NOTE: Write the elements of the matrix exactly.
? ?
A-¹ =
)
A is not invertible.
? ?
=
3
-24
- 1
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