Let A be a 4 × 4 matrix with eigenvalues -5, -2, 1, and 4. Which of the…
GATE · 2007 · CS
Let A be a 4 × 4 matrix with eigenvalues -5, -2, 1, and 4. Which of the following is an eigenvalue of the block matrix
[A I]
[I A]
where I is the 4 × 4 identity matrix?
- A.
-5
- B.
-7
- C.
2
- D.
1
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