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Linear AlgebraMediumDeterminants & Inverses

Determinants & Inverses · Medium problem

Find det⁡(5−3−3−3−3−4−1−44)\det \begin{pmatrix}5 & -3 & -3 \\ -3 & -3 & -4 \\ -1 & -4 & 4\end{pmatrix}.