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In R^2, let u = (1,-1) and v = (1,2). a) Show that (u,v) form a...

In R^2, let u = (1,-1) and v = (1,2).

a) Show that (u,v) form a basis. Call it B.

b) If we call x the coordinates along the canonical basis and y the coordinates along the ordered B basis, find the matrix A such that y = Ax.

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