Mathematics · Matrices and Determinants
If MT is the transpose of a 2 × 2 matrix M, then consider the following statements: I. |M + MT| = |M| + |MT| if M is symmetric. II. |M + MT| = 0 if M is anti-symmetric (skew-symmetric). Which of the statements given above is/are correct?
- 1Neither I nor II
- 2Both I and II
- 3II only✓
- 4I only
Correct answer
II only
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