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What are the eigenvalues of the following matrix? $$\begin{bmatrix} 1 & 1 \\ -2 & 4 \end{bmatrix}$$

  1. $2$ and $3$
  2. $-2$ and $3$
  3. $2$ and $-3$
  4. $-2$ and $-3$
in Linear Algebra 7.9k points
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