Mathematics · Matrices and Vectors
Which of the following correctly identifies INCORRECT statements about vectors and matrices? A. An identity matrix is necessarily symmetric. B. (A · B)T = AT · BT C. (A-1)T = (AT)-1 D. The rank of a non-singular n × n matrix A must be less than n. Choose the INCORRECT statements:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1B and D only✓
- 2A and C only
- 3C and D only
- 4A and B only
Correct answer
B and D only
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