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Unit 1Topic 1.14Question BankHL

Mathematics: Applications and Interpretation · Unit 1: Number and Algebra

Matrices

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9

Questions

52

Total marks

Question 1 of 97 marks

Matrix addition, scalar subtraction and multiplication

[Maximum mark: 7]Calculator permittedConsider the following matricesA=[3−241] and B=[−13−50]A=\begin{bmatrix}3&-2\\4&1\end{bmatrix}\text{ and }B=\begin{bmatrix}-1&3\\-5&0\end{bmatrix}Find(a) A+BA+B[2](b) A−2BA-2B[2](c) ABAB[3]

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