Practice question
Question
Let det M denotes the determinant of the matrix M. Let A and B be 3 × 3 matrices with det A = 3 and det B = 4. Then the det (2AB) is
Explanation
Here's the idea in simple terms: formula det(kA)=k³detA for 3×3. So det(2AB)=2³·detA·detB=8×3×4=96. Complete calculation step by step.
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