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Determinant
Hard
Question
If A is a non-singular matrix and A
T
denotes the transpose of A, then:
Options
A.
|A| ≠ |A
T
|
B.
|A. A
T
| ≠ |A|
2
C.
|A
T
. A| ≠ |A
T
|
2
D.
|A| + |A
T
| ≠ 0
Solution
|A| + |A
T
| = 2|A| ≠ 0
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