Choose the correct options for the following questions.
l*n matrix of the form $[a_{i1},a_{i2}....a_{in}]$ is said to be a
Difficulty: Easy
A:
Null matrix
B:
Scalar matrix
C:
Equal matrix
D:
Row matrix
Matrix $\begin{bmatrix}3 & 0&0\\0 &3& 0\\0&0&3\end{bmatrix}$ is a
Difficulty: Easy
A:
Diagonal matrix
B:
Identity matrix
C:
Scalar matrix
D:
Idempotant
$\begin{bmatrix}\sqrt{2} & 0&0\\0 &\sqrt{2}& 0\\0&0&\sqrt{2}\end{bmatrix}$ is a
Difficulty: Easy
A:
Diagonal matrix
B:
Identity matrix
C:
Null matrix
D:
Idemptant
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