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.
`[(6, 0),(0, 6)]`
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Solution
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.
Concept: Determinant of a Matrix
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