Ononot — Let A be a 4 \times 4 matrix. If \det(A) = 2 and B is obtain

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Determinantshard

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Let $A$ be a $4 \times 4$ matrix. If $\det(A) = 2$ and $B$ is obtained by adding $3$ times the second row to the fourth row, what is $\det(B)$ ?