Answer to Question #38453 in Matrix | Tensor Analysis for Sujata Roy

Question #38453
A is 4 rowed square matrix. |A|=4, adj(adj(A))=? a)2A b)4A c)8A d)16A
1
Expert's answer
2014-01-20T03:10:55-0500
Using Adjugate matrix properties we have
adj(adj(A))=det(A)^(n-2)A.
In our case n=4 and det(A)=4. Substitute these into previous formula
adj(adj(A))=4^(4-2)A=16A.
Therefore, d) is the right answer.

Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!

Comments

Assignment Expert
21.01.14, 19:03

Dear Sujata Roy, You're welcome. If you liked our service please press like-button beside answer field. Thank you!

Sujata Roy
20.01.14, 21:41

Thank you.

Leave a comment

LATEST TUTORIALS
New on Blog
APPROVED BY CLIENTS