Find a number a so that the change of coordinates s =x + ay, t = y transforms the
Chapter 21, Problem 5(choose chapter or problem)
Find a number a so that the change of coordinates s =x + ay, t = y transforms the integral R dx dy overthe parallelogram R with vertices (10, 15), (30, 15),(20, 35), (40, 35) in the xy-plane into an integral T(x, y)(s, t)ds dtover a rectangle T in the st-plane.
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