Engineering Board Exam Reviewer · Eigenvalues and Eigenvectors · medium

Find the eigenvalues of bmatrix2&1\1&2 bmatrix.

1. 2 and 2
2. 1 and 3
3. 1 and 2
4. -1 and 3

Answer

B. 1 and 3

Solution

(A- I)=(2- )2-1= 2-4 +3=( -1)( -3)=0 =1,3.

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