Suppose that f(r, y) = /2- -y at which {(z, y) | z +y? < 2 }. %3D 7=2 Then the double integral of f(x, y) over D is /| f(x, y)dædy = %3D

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Q: Can we use x = vy? (x - y In (y/x)) (vy - y In(y/vy)) --> (vy - y In(1/v))

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