Linear Algebra Quiz
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LINEAR TRANSFORMATIONS
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A linear transformation T:R2→R2T: \mathbb{R}^2 \to \mathbb{R}^2 reflects vectors across the line y=−xy = -x, then rotates the result counterclockwise by 90°90°. If T(31)=(ab)T\begin{pmatrix} 3 \\ 1 \end{pmatrix} = \begin{pmatrix} a \\ b \end{pmatrix}, what is a+ba + b?
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