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Classify the following matrix as, a row, a column, a square, a diagonal, a scalar, a unit, an upper triangular, a lower triangular, a symmetric or a skew-symmetric matrix: [6006]

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Question

Classify the following matrix as, a row, a column, a square, a diagonal, a scalar, a unit, an upper triangular, a lower triangular, a symmetric or a skew-symmetric matrix:

`[(6, 0),(0, 6)]`

Sum
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Solution

Since all the non-diagonal elements are zero and diagonal elements are same, it is a scalar matrix.

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Chapter 4: Determinants and Matrices - Exercise 4.4 [Page 83]

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