In the matrix A=⎡⎢⎢⎣a1x2√3x2−y05−25⎤⎥⎥⎦, write

1.	In the matrix A=⎡⎢⎢⎣a1x2√3x2−y05−25⎤⎥⎥⎦, write (i) the order of the matrix A. (ii) the number of elements. (iii) elements a23,a31 and a12.
Answer» In the matrix $A = ⎡ ⎢⎢ ⎣ \begin{matrix} a & 1 & x 2 & \sqrt{3} & x^{2} - y 0 & 5 & \frac{- 2}{5} \end{matrix} ⎤ ⎥⎥ ⎦$ , write (i) the order of the matrix A. (ii) the number of elements. (iii) elements $a_{23}, a_{31}$ and $a_{12}$ .

In the matrix A=⎡⎢⎢⎣a1x2√3x2−y05−25⎤⎥⎥⎦, write (i) the order of the matrix A. (ii) the number of elements. (iii) elements a23,a31 and a12.

Answer»

In the matrix $A = ⎡ ⎢⎢ ⎣ \begin{matrix} a & 1 & x 2 & \sqrt{3} & x^{2} - y 0 & 5 & \frac{- 2}{5} \end{matrix} ⎤ ⎥⎥ ⎦$ , write

(i) the order of the matrix A.

(ii) the number of elements.

(iii) elements $a_{23}, a_{31}$ and $a_{12}$ .