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

If A is a matrix of order 3 and |A| = 8, then |Adj A| =

A
1
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
23
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
26
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is D 26
We know A.adj(A)=|A|000|A|000|A||A|.|adj(A)|=∣ ∣ ∣|A|000|A|000|A|∣ ∣ ∣|A|.|adjA|=|A|3
Now question gives |A| = 8
8.|adjA|=83 or |adjA|=82=(23)2=26.

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Evaluation of Determinants
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon