Question

Find the given elements of matrix D
Please help!!!

Answer 1

Answer:-2, -1, 4, -2, -10, -2

Explanation:

on edge 2020

Answer 2

Element wise subtraction.

Explanation:

Matrix Subtraction is done element wise.

Therefore, D =
`\[  \left[ {\begin{array}{ccc}   3 & 1 & 0 \\   -1 & 2 & 4 \\9 & 7 & -2  \end{array} } \right]\]` -
`\[  \left[ {\begin{array}{ccc}   5 & 2 & -4\\   1 & 12 & 3 \\ 11 & 3 & -2  \end{array} } \right]\]`

This becomes:

`\[   D =  \left[ {\begin{array}{ccc}   -2 & -1 & 4 \\    -2 & -10 & 1 \\    -2 & 4 & 0  \end{array} } \right]\]`

Now,
`$ d_(11) = -2 $`

`$ d_(12) = -1 $`

`$ d_(13) = 4 $`

`$ d_(21) = -2 $`

`$ d_(22) =  -10 $`

`$ d_(31) = -2 $`