Question: (a) Decide whether the following linear transformations R3 R3 are invertible. i. Orthogonal projection onto the line L spanned by 1 2 3 . ii.
(a) Decide whether the following linear transformations R3 R3 are invertible. i. Orthogonal projection onto the line L spanned by 1 2 3 . ii. Rotation about the y-axis by 2 3 radians, counterclockwise as viewed from the positive y-axis
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