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  4. Matrices are denoted by capital letters. Now, consider the following matrices A=[ -2 5 0 √5 3 6 ] text and C=[ 1+x x3 3 cos x sin x+2 tan x ] Then, the horizontal lines of elements are said to constitute ... A 1 ldots of the matrix and the vertical lines of elements are said to constitute.. A 2 ldots of the matrices A and C. Here, A 1 and A 2 are respectively

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Q. Matrices are denoted by capital letters. Now, consider the following matrices
$A=\begin{bmatrix} -2 & 5 \\ 0 & \sqrt{5} \\ 3 & 6 \end{bmatrix} \text { and } C=\begin{bmatrix} 1+x & x^3 & 3 \\ \cos x & \sin x+2 & \tan x \end{bmatrix}$
Then, the horizontal lines of elements are said to constitute ... $A _1 \ldots$ of the matrix and the vertical lines of elements are said to constitute.. $A _2 \ldots$ of the matrices $A$ and $C$. Here, $A _1$ and $A _2$ are respectively

Matrices

Solution:

The horizontal lines of elements are said to constitute rows of the matrix and the vertical lines of elements are said to constitute columns of the matrices $A$ and $C$.