One of the Eigen vectors of the matrix $$\begin{bmatrix}-5 & 2 \\-9 & 6 \end{bmatrix}$$

A

$$\begin{bmatrix}-1 \\1\end{bmatrix}$$

B

$$\begin{bmatrix}-2 \\9\end{bmatrix}$$

C

$$\begin{bmatrix}2 \\-1\end{bmatrix}$$

D

$$\begin{bmatrix}1 \\1\end{bmatrix}$$