Solved: Let T be the triangle with vertices (X I. )'1). (X! . )'1 ), and CI"J . )'J)
Chapter 3, Problem 19(choose chapter or problem)
Let T be the triangle with vertices (X I. )'1). (X! . )'1 ), and CI"J . )'J) , and [et A~[: :1 Let I be the matrix transformation defined by I(v) Av for a vector v in R2 . First. compute the vertices of f (T) and the image of T under I , and then show that the area of I(n is I det(A)1 . area o
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