let be the integral:(adsbygoogle = window.adsbygoogle || []).push({});

[tex]\int_1^{\infty}\int_{-\infty}^{\infty}f(x,y)dydx [/tex]

i make the change of variable xy=u y=v whose Jacobian is 1/v but then what would be the new limits?...

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Change of variables (i don,t understand)

**Physics Forums | Science Articles, Homework Help, Discussion**