If matrix A represents the reflection about a line L in R2, what is the dimension of the
Chapter 4, Problem 43(choose chapter or problem)
If matrix A represents the reflection about a line L in R2, what is the dimension of the space of all matrices S such thatAS = S1 0 0 -1(Hint: Write S = [5 >], and show that 5 must be parallel to L, and w must be perpendicular to L.)
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