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[tex]\int\int_{R} \left(2x^2 - xy - y^2\right) dx\;dy[/tex]

by applying the transformation

[tex]u = x - y , v = 2x + y[/tex]

for the region R in the first quadrant bounded by the lines

[tex]y = -2x + 4, y = -2x + 7, y = x - 2, y = x + 1[/tex]

I don't even know where to start! Please help.

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# Homework Help: Transformations in double integrals. (Jacobian)

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