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The matrix A={bmatrix} 0 & 0 & 5 0 & 5 & 0 5 & 0 & 0 {bmatri

Question

The matrix $A = ⎣ ⎡ 005050500 ⎦ ⎤$ is a

scalar matrix

diagonal matrix

unit matrix

square matrix

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Harper Discussed

The matrix

A = ⎣ ⎡ 005050500 ⎦ ⎤

is a

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Text solutionVerified

Clearly it is not a Unit matrix (Identity matrix) or Diagonal matrix.

Also, its diagonal elements are not same valued so it is not a scalar matrix.

So, it only followed condition of square matrix, because it is of order

3 \times 3

So, option

D

is correct.

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