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The matrix A=$\begin{bmatrix}2 & 0 & 0\\0 & -3 & 0\\0 & 0 & 5\end{bmatrix}$ is : |
a scalar matrix a skew symmetric matrix a diagonal matrix a column matrix |
a diagonal matrix |
The correct answer is Option (3) → a diagonal matrix Diagonal Matrix = $\left\{\begin{matrix}a_{ij}\,∀\,i=j\\0\,∀\,i≠j\end{matrix}\right.$ ∴ A is diagonal matrix. |
