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 $-3$

Answer:

0 votes
0 answers
1
0 votes
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2
0 votes
0 answers
3
0 votes
0 answers
4
0 votes
0 answers
5