Classify each of the following matrices as a row, a column, a square, a diagonal, a scalar, a unit, an upper traingular, a lower triangular matrix. [3000500013] - Mathematics and Statistics

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Sum

Classify each of the following matrices as a row, a column, a square, a diagonal, a scalar, a unit, an upper traingular, a lower triangular matrix.

`[(3, 0, 0),(0, 5, 0),(0, 0, 1/3)]`

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Solution

Let A = `[(3, 0, 0),(0, 5, 0),(0, 0, 1/3)]`

As matrix A has all its non-diagonal elements zero.
∴ A is a diagonal martix.

Concept: Determinant of a Matrix
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Chapter 2: Matrices - Exercise 2.1 [Page 39]
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