- #1
V0ODO0CH1LD
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Homework Statement
Use the change of variables ##u=x+y## and ##y=uv## to solve:
[tex] \int_0^1\int_0^{1-x}e^{\frac{y}{x+y}}dydx [/tex]
Homework Equations
The Attempt at a Solution
So I got as far as:
[tex] \int\int{}ue^vdvdu. [/tex]
But I just can't find the region of integration in terms of ##u## and ##v##.