Evaluate 1&0&1 0&0&1 1&0&1 is: 1. 2 2. 0 3. 1 4. -1 - Vidyadip

Question

Evaluate $\begin{bmatrix}1&0&1\\0&0&1\\1&0&1\end{bmatrix}$ is:

2
0
1
-1

✓

Answer

0

Solution:

$\triangle=\begin{bmatrix}1&0&1\\0&0&1\\1&0&1\end{bmatrix}$

$\triangle=1\begin{bmatrix}0&1\\0&1\end{bmatrix}-0\begin{bmatrix}0&1\\1&1\end{bmatrix}+1\begin{bmatrix}0&0\\1&0\end{bmatrix}$

$\triangle=1(0-0)-0(0-1)+1(0-0)$

$\triangle=0-0+0=0.$

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