(d) T: R³ R² defined by T(1, 2, 3) = (x1 - 5x2 + 4x3, x2 - 6x3). 8. Is the transformation in 7 (d) one-to-one? Is it onto?

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Chapter7: Eigenvalues And Eigenvectors
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7d and 8
7. Assume that T is a linear transformation. Find the standard matrix of T.
(a) T: R²
(b) T: R²
(c) T: R³
(d) T: R³ → R2 defined by T(x1, x2, x3) = (x1 - 5x2 + 4x3, x2 - 6x3).
8. Is the transformation in 7 (d) one-to-one? Is it onto?
R² rotates points about the origin through radians counter-clockwise.
R² reflects points across the x-axis, then reflects across the line y = x.
R³ projects onto the xz-plane.
Transcribed Image Text:7. Assume that T is a linear transformation. Find the standard matrix of T. (a) T: R² (b) T: R² (c) T: R³ (d) T: R³ → R2 defined by T(x1, x2, x3) = (x1 - 5x2 + 4x3, x2 - 6x3). 8. Is the transformation in 7 (d) one-to-one? Is it onto? R² rotates points about the origin through radians counter-clockwise. R² reflects points across the x-axis, then reflects across the line y = x. R³ projects onto the xz-plane.
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