Hi.

Calculate the integral:

f(x, y, z) = xy

r(u, v) = (u - v, u + v, 2u + v + 1) u[0, 1] ; v[0, u]

What i didn't get is how to calculate the limits of the double integral, how to transform v[0, u] in v[0, number].

A.:

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I've tried to calculate in this way (but it didn't worked)

A =