Question

Find the product or type
"impossible"
[2 8 1 ][0 1 -2]
[0 5 -2][8 2 4]

Answer 1

[0 8 -2]
[0 10 -4]
Pretty sure

Answer 2

Explanation:

`\left[\begin{array}{ccc}2&8&1\\0&5&-2\end{array}\right]` ×
`\left[\begin{array}{ccc}0&1&-2\\8&2&4\end{array}\right]` = "impossible"

The number of columns in the first matrix should be equal to the number of rows in the second.