Mathematics · Matrices and Determinants
If P is an invertible matrix, which of the following statements is INCORRECT?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1If |P| = 6, then |P-1| = 6✓
- 2If P is a scalar matrix, then P-1 is also a scalar matrix.
- 3If P is a symmetric matrix, then P-1 is also a symmetric matrix.
- 4If P is a diagonal matrix, then P-1 is also a diagonal matrix.
Correct answer
If |P| = 6, then |P-1| = 6
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