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The determinant of a diagonal matrix is the product of leading diagonal’s element.

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The determinant of a diagonal matrix is the product of leading diagonal’s element.

(a) True

(b) False

The question was asked in an interview for internship.

I would like to ask this question from Transpose of Matrices in portion Basic Structures: Sets, Functions, Sequences, Sums and Matrices of Discrete Mathematics

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The correct choice is (a) True

To elaborate: Since in diagonal matrix all element other than diagonal are zero.

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