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The matrix $\text{A} = \begin{bmatrix} 4 & 3 \\  9 & -2 \end{bmatrix}$ has eigenvalues $-5$ and $7.$

The eigenvectors(s) is/are __________ 

  1. $\begin{bmatrix} 1\\ 1 \end{bmatrix}$
  2. $\begin{bmatrix} 3\\ 4 \end{bmatrix}$
  3. $\begin{bmatrix} 2\\ -6 \end{bmatrix}$
  4. $\begin{bmatrix} 2\\ 8 \end{bmatrix}$
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