Question
Asked Nov 12, 2019
1 views

Linear algebra. please answer part (a)

(7) (a) Compute the determinant of A tI3, where A is given below. Here a1, a2, a3 are scalars.
0
0
ao
A
-1
0
-1
0
a2
(b) What is the determinant of A tIn, where A is given below and ao,. ., a-1 are scalars?
0
0
0
0
ao
-1
0
0
0
0
-1
0
0
A =
0
0 0
-1
an-1
help_outline

Image Transcriptionclose

(7) (a) Compute the determinant of A tI3, where A is given below. Here a1, a2, a3 are scalars. 0 0 ao A -1 0 -1 0 a2 (b) What is the determinant of A tIn, where A is given below and ao,. ., a-1 are scalars? 0 0 0 0 ao -1 0 0 0 0 -1 0 0 A = 0 0 0 -1 an-1

fullscreen
check_circle

Expert Answer

Step 1

Step 2

help_outline

Image Transcriptionclose

1 0 0 a t0 1 0 0 0 1 -1 0 A+I -1 a t 0 0 0 0 -1 0 a 0 t 0 0 -1 0 0 t а, 0 t -1 t 0 -1 a t)

fullscreen
Step 3

...
help_outline

Image Transcriptionclose

det(A t)(f(a, +t)+ a)+ a, (1- 0) r(a.t++a) + a =at +t+ at+ a = +a,f + at+a

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.