Question

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.

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

Answer 1

Let A = `[(6, 0),(0, 6)]`

As matrix A has all its non-diagonal elements zero and diagonal elements same.
∴ A is a scalar matrix.