SOLUTION: If (1 2 1) is a solution of matrix equation Ax=B. Determine and explain why is each statement true or false: 1. A is an invertible matrix 2. B=-A1-2*A2-A3 where A1, A2, A3 are co

Question 1178334: If (1 2 1) is a solution of matrix equation Ax=B. Determine and explain why is each statement true or false:
1. A is an invertible matrix
2. B=-A1-2*A2-A3 where A1, A2, A3 are columns of A
3. The list (A1, A2,A3) is linearly dependent
Answer by ikleyn(52775) (Show Source): You can put this solution on YOUR website!
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and is created by a person unfamiliar with the subject.

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Good for recycling, only.

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