MCQ
Adj.(KA) =____________
- ✓$K ^{ n -1} Adj . A$
- B$K ^{ n +1}$ Adj. A
- CK Adj. A
- D$K ^{ n }$ Adj.A
✓
Answer
Correct option: A.
$K ^{ n -1} Adj . A$
(a) $K ^{ n -1}$ Adj. A
Explanation: Adj. $( KA )= K ^{ n -1}$ Adj. A , where K is a scalar and A is a $n \times n$ matrix.
Explanation: Adj. $( KA )= K ^{ n -1}$ Adj. A , where K is a scalar and A is a $n \times n$ matrix.
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