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Questions › UoH › UoH 2011 › Q57
1 mark, −0.33Mathematics › Matrices, determinants and linear systems › Matrix operations and special matricesModerateabout 2 min

UoH 2011 Question 57: Matrices, determinants and linear systems

If A = [1−102]\begin{bmatrix}1 & -1\\ 0 & 2\end{bmatrix}[10​−12​] B = [01−12]\begin{bmatrix}0 & 1\\ -1 & 2\end{bmatrix}[0−1​12​] then AB' must be equal to

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If A = [1 -1; 0 2] B = [0 1; -1 2] then AB' must be equal to (A) [0 1; 1 0] (B) [1 0; 0 1] (C) [-1 -3; 2 4] (D) [1 -1; -2 4]

Matrices, determinants and linear systems has come up 102 times in 7 exams since 2006.

What this question tests

This question is on Matrix operations and special matrices, part of Matrices, determinants and linear systems in Mathematics.

Adding, multiplying and transposing matrices, and the matrices with special properties.

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