Mathematics · Linear Algebra
Given the following statements about eigenvalues: (A) The sum of eigenvalues of a matrix equals the trace of the matrix. (B) The product of eigenvalues of a matrix equals the determinant of the matrix. (C) A real symmetric matrix always has complex eigenvalues. (D) If λ is an eigenvalue of A, then λ2 is an eigenvalue of A2. Choose the correct answer:
- 1A, B, C and D
- 2B, C and D only
- 3A and B only
- 4A, B and D only✓
Correct answer
A, B and D only
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