Question

Help with determinate

Answer 1

I get 0. Here is my work. They say it is 5.

Answer 2

Check your first determinant.

Answer 3

2*0 is zero.

Answer 4

gurr

Answer 5

Same problem with the third one.

Answer 6

And there's also an error with the second one...

Answer 7

How? -1 - 4 is -5. Multiply that by -1 and you get 5.

Answer 8

\[\begin{vmatrix}3&2\\0&1\end{vmatrix}=3-0\]\[\begin{vmatrix}-1&2\\2&1\end{vmatrix}=-1-4\]\[\begin{vmatrix}-1&3\\2&0\end{vmatrix}=0-6\]

Answer 9

Oh I see, you distributed \(-1\) already. Never mind about the second one.

Answer 10

Okie dokie. its 5

Answer 11

@SithsAndGiggles

Ummm. So what did you get?

Answer 12

Is it -5 or 5?

Answer 13

Same as you, it's positive.