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Using the change of variables u = x2y and v = y/x, integrate f(x,y) = x2y2 over the region bordered by y = 1/x2, y = 3/x2, y = x and y = 2x.

3. Using the change of variables u = ry and v = y/x, integrate f(x,y) = r2y2 over the region bordered by y=1/x?, y = 3/r?, y

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71 ven. - sole Given that us why and va y we need to integrate fin,y)= n3y2 by change of variable a over the region bounded bJafn,y)= r²y² = nyoya uy . and Uv2 y = y = (0,12% si feny) - Uy a U (Uingjy3 fem,y) = 12 fiftens, dude flut varsel VYD [z. ub| به (- تو) : |: : (331) .. (*) (331) (2 - 1) (3-1) (23)

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