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## Homework Statement

## Homework Equations

[tex]\int_{-1}^3 \int_0^{3y} (x^2+y^2) dxdy[/tex]

## The Attempt at a Solution

I've gotten [tex] \int_{-1}^3 \frac{x^3}{3}[/tex] = [tex] \int_{-1}^{3}y^3 dy[/tex] for the first part, but this can't be right?