Here's a worked question:

http://img249.imageshack.us/img249/5356/90726987.gif

Shouldn't the second to last line be:

where -3 is the Jacobian? Where did the come from?

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- Jun 5th 2010, 08:48 PMdemodeTriple Integral
Here's a worked question:

http://img249.imageshack.us/img249/5356/90726987.gif

Shouldn't the second to last line be:

where -3 is the Jacobian? Where did the come from? - Jun 5th 2010, 09:01 PMundefined
Haven't done these recently enough to fully check all the steps (without spending a lot of time brushing up), however I can point out that (in the image) the third line up from the bottom has the absolute value of the reciprocal of the expression that came out to -3 above. So the absolute value of the reciprocal of -3 is 1/3. If that's not enough then I'm sure someone else will be able to help you further.

- Jun 5th 2010, 10:59 PMAllanCuz