Solveeit Logo
Login

Question

Mathematics Question on Matrices

In the matrix A= [2519−7 35−25212 31−517]\begin{bmatrix} 2 & 5 & 19&-7 \\\ 35 & -2 & \frac{5}{2}&12 \\\ \sqrt3 & 1 & -5&17 \end{bmatrix},write:

I. The order of the matrix
II. The number of elements
III. Write the elements a13, a21, a33, a24, a23

Answer

(i) In the given matrix, the number of rows is 3 and the number of columns is 4.
Therefore, the order of the matrix is 3 × 4.

(ii) Since the order of the matrix is 3 × 4, there are 3 × 4 = 12 elements in it.

(iii) a13=19,a21=35,a33=−5,a24=12,a23=52a_{13}=19, a_{21}=35,a_{33}=-5,a_{24}=12,a_{23}=\frac{5}{2}