Question

Given mayrix A = [ 1 -2 3 ] Find. a11 , a12 ​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:  $a_{11} =1$

               $a_{12} =-2$

Step-by-step explanation:

$A =\left[\begin{array}{ccc}1&-2&3\end{array}\right]$

$a_{11} =1$        { the element belongs to 1st row and 1st column of matrix A}

$a_{12} =-2$     { the element belongs to 1st row and 2nd column of matrix A }