Question
Question: If A is matrix of order 3 and \| A \| = 2, then \|adj A\| is equal to...
If A is matrix of order 3 and | A | = 2, then |adj A| is equal to
A
1
B
2
C
23
D
22
Answer
22
Explanation
Solution
| A | | adj (1) | = | A |3
| adj A | = | A |2 = 22