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Question
Evaluate the following determinant:
$$ det \left( \begin{matrix}3&1&-1&2\\-5&1&3&-4\\2&0&1&-1\\4&-5&3&-3\end{matrix} \right) $$
Answer
$$ det \left( \begin{matrix}3&1&-1&2\\-5&1&3&-4\\2&0&1&-1\\4&-5&3&-3\end{matrix} \right) = 34 $$
Explanation
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