wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

If A is a non-singular matrix of order 3, then adj (adj A) is equal to ________________.

Open in App
Solution

Given:
A is a non-singular matrix of order 3


As we know,
adj adj A=An-2 A , where n is the order of Aadj adj A=A3-2 A Order of A is 3adj adj A=A1 Aadj adj A=AA


Hence, adj (adj A) is equal to |A|A.

flag
Suggest Corrections
thumbs-up
9
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Multiplication of Matrices
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon