For a square matrix A , which of the following properties hold? 1. ( A ⁻¹ )⁻¹= A 2. det ( A ⁻¹ )= 1 det ~A 3. ( A )⁻¹ ~A ⁻¹ where is a scalar Select the correct answer using the code given below:

Question

Quantrex Academy · Accepted Answer

Correct answer: A. 1 and 2 only

Statement 1 and 2 are correct. Statement 3 is incorrect because ( A )⁻¹= 1 ~A ⁻¹, 0

For a square matrix A , which of the following properties hold? 1. ( A ⁻¹ )⁻¹= A 2. det ( A ⁻¹ )= 1 det ~A 3. ( A )⁻¹ ~A ⁻¹ where is a scalar Select the correct answer using the code given below:

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Correct answer

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