Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
← 55 members online
 0 viewing
paglia
Group Title
given an adjoint matrix, compute A
example:
1 2 2 2
0 2 1 1
0 0 2 1
0 0 0 2
 2 years ago
 2 years ago
paglia Group Title
given an adjoint matrix, compute A example: 1 2 2 2 0 2 1 1 0 0 2 1 0 0 0 2
 2 years ago
 2 years ago

This Question is Closed

mustangtiger Group TitleBest ResponseYou've already chosen the best response.0
The inverse of A is the adjoint of A divided by its determinant. Since you have a 4 x 4 matrix, you can use this fact to show that (det(A))^3 = det(adj(A)). In your case, det(Adj(A) = 8, the product of the diagonal elements. So det(A) = 2.
 2 years ago

margz Group TitleBest ResponseYou've already chosen the best response.0
\[the \sum of two numbers is 25and their difference is19.find the numbers\]
 2 years ago
See more questions >>>
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.