The matrix which is the sum of all the diagonal elements of a square matrix? | Faculties

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Ram Sharma

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📊 Economics Quantitative Methods for Economic Analysis-I

Q. The matrix which is the sum of all the diagonal elements of a square matrix?

(A) diagonal matrix
(B) trace matrix
(C) identity matrix
(D) both a and b

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✅ Correct Answer: (B) trace matrix

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