题目
题目

MCD1550 / MCD2140 - T1 - 2025 TEST 2 (Week 6)

单项选择题

If matrix \(A = \left[ {\begin{array}{*{20}{c}}5&6\\5&{ - 4}\end{array}} \right]\), then \(\det \left( A \right) = \)

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标准答案
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思路分析
The matrix given is A = [[5, 6], [5, -4]]. To find its determinant, use the formula det(A) = ad - bc for a 2x2 matrix [[a, ......Login to view full explanation

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类似问题

Question textThe linear transformation represented by a matrix 𝖠 transforms the unit square [math][0,1] \times [0,1] into a parallelogram with vertices [math: [0,0]]{\left[ 0 , 0 \right]}, [math: [3,0]]{\left[ 3 , 0 \right]}, [math: [2,5]]{\left[ 2 , 5 \right]}, and [math: [5,5]]{\left[ 5 , 5 \right]}. What is the magnitude of the determinant of 𝖠?[input] Check Question 40

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