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NDA Math Matrices

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Question : 67

Total: 69

Consider the following statements in respect of the matrix A=[

0	1	2
−1	0	−3
−2	3	0

]
1. The matrix A is skew-symmetric.
2. The matrix A is symmetric.
3. The matrix A is invertible.
Which of the above statements is/are correct?

1 only
3 only
1 and 3
2 and 3

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