MCQ
The matrix $\text{A}=\begin{bmatrix}1&0&0\\0&2&0\\0&0&4\end{bmatrix}$ is:
  • A
    Identity matrix.
  • B
    Symmetric matrix.
  • C
    Skew$-$symmetric matrix.
  • Diagonal matrix.

Answer

Correct option: D.
Diagonal matrix.
A matrix is called Diagonal matrix if all the elements, except those in the leading diagonal, are zero.

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