Question

Find the value for the following determinant.

[5, -4, 8, 2] =

-32
-42
42

Answer 1

Do you mean this?
\[\left[\begin{matrix}5 & -4 \\ 8 & 2\end{matrix}\right]\]

Answer 2

Yes, it wouldn't let me post it on here.

Answer 3

The determinant of a matrix \(\left[\begin{matrix}a & b \\ c & d\end{matrix}\right]\) equals \(ad-cb\)

Answer 4

Oh, okay!! Thanks!!!