In the matrix beginbmatrix 2 - 5 - 19 -735 -2 -frac52- 12-11sqrt3- 1 -5 - 17 -lend bmatrix - writeiiThe number of elements-

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

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Standard XII

Mathematics

Elementary Transformations

In the matrix...

Question

In the matrix $⎡ ⎢ ⎢ ⎣ \begin{matrix} 2 & 5 & 19 & - 7 35 & - 2 & \frac{5}{2} & 12, \sqrt{3} & 1 & - 5 & 17 \end{matrix} ⎤ ⎥ ⎥ ⎦$ ,write
(ii)The number of elements,

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Solution

Since, the order of the matrix is $3 \times 4,$ so there are $3 \times 4 = 12$ elements in it.

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In the matrix $⎡ ⎢ ⎢ ⎣ \begin{matrix} 2 & 5 & 19 & - 7 35 & - 2 & \frac{5}{2} & 12, \sqrt{3} & 1 & - 5 & 17 \end{matrix} ⎤ ⎥ ⎥ ⎦$ ,write
(ii)The elements $a_{13}, a_{21}, a_{33}, a_{24}, a_{23} .$

In the matrix $⎡ ⎢ ⎢ ⎣ \begin{matrix} 2 & 5 & 19 & - 7 35 & - 2 & \frac{5}{2} & 12, \sqrt{3} & 1 & - 5 & 17 \end{matrix} ⎤ ⎥ ⎥ ⎦$ ,write
(i)the order of the matrix

(ii)The number of elements,

(ii)The elements $a_{13}, a_{21}, a_{33}, a_{24}, a_{23} .$

In the matrix, write :
$A = ⎡ ⎢ ⎢ ⎣ \begin{matrix} 235 \sqrt{3} \end{matrix} \begin{matrix} 5 - 2 1 \end{matrix} \begin{matrix} 19 \frac{5}{2} - 5 \end{matrix} \begin{matrix} - 7 1217 \end{matrix} ⎤ ⎥ ⎥ ⎦$

(i) The order of the matrix
(ii) The number of elements
(iii) Write the elements $a_{13}, a_{21}, a_{33}, a_{24}, a_{23}$

Q. What is the inverse of the matrix

[\begin{matrix} - 3 & 2 5 & - 1 \end{matrix}]

Q. The inverse of the matrix

[\begin{matrix} - 3 & 2 5 & - 1 \end{matrix}]

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In the matrix⎡⎢ ⎢⎣2519−735−25212,√31−517⎤⎥ ⎥⎦,write (ii)The number of elements,

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

In the matrix $⎡ ⎢ ⎢ ⎣ \begin{matrix} 2 & 5 & 19 & - 7 35 & - 2 & \frac{5}{2} & 12, \sqrt{3} & 1 & - 5 & 17 \end{matrix} ⎤ ⎥ ⎥ ⎦$ ,write
(ii)The number of elements,

Since, the order of the matrix is $3 \times 4,$ so there are $3 \times 4 = 12$ elements in it.