Assume that T is a linear transformation. Find the standard matrix of T. T: R² →R² first reflects points through the vertical x2-axis and then reflects points through the line x₂ = X₁.

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A: It's a right angle triangle

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Q: That is NOT the correct solution. Thanks.

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A: The given function is:

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A: To find  such that the matrix  is singular.

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A: x1-4x2-x3 =0

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