Final answer:
To verify that λi is an eigenvalue of A and xi is a corresponding eigenvector, we need to solve the equation (A - λiI)xi = 0, where I is the identity matrix.
Step-by-step explanation:
To verify that λi is an eigenvalue of A and that xi is a corresponding eigenvector, we need to solve the equation (A - λiI)xi = 0, where I is the identity matrix. Let's substitute the given values:
A - λiI = [-2-λi 2 -3 2 - λi 1 -6 -1 - λi]
Next, we can row-reduce the matrix to find its null space. If the null space contains non-zero vectors, then λi is an eigenvalue of A and xi is a corresponding eigenvector. If the null space only contains the zero vector, then λi is not an eigenvalue of A.