Question

Help please ASAP!!!! I NEED CORRECT ANSWERS ONLY FOR BRAINLIEST

Answer 1

we are given to find

$a_2_3$

we know that

$a_i_j$

where

i is number of rows

j is number of column

Here , we get

i=2

and j=3

so,

$a_2_3$ means second row and third column

we can look at matrix and find element

we can see that

that element is -21

so,

$a_2_3 =-21$...........Answer