If \begin{vmatrix} a & b & c \\ d & e & f \\ g & h & i \end{vmatrix} = 4, find \begin{vmatrix} a & b & 4c - 2b \\ d & e & 4f - 2e \\ \frac{1}{2}g & \frac{1}{2}h & 2i - h \end{vmatrix}
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Start with the given equation: 4c - 2b = 4f - 2e Show more…
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