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1. |
For a square matrix A, which of the following properties hold?1) (A - 1) - 1 = A2) \(\det \left( {{A^{ - 1}}} \right) = \frac{1}{{detA}}\)3) (λA) - 1 = λA - 1 where λ is a scalarSelect the correct answer using the code given below: |
A. | 1 and 2 only |
B. | 2 and 3 only |
C. | 1 and 3 only |
D. | 1, 2 and 3 |
Answer» B. 2 and 3 only | |