# Variable substitution in multivariate Integrals

Not what you're looking for? Search our solutions OR ask your own Custom question.

Please see the attached file for the fully formatted problems.

calculate the integarl of (3x + 4) over the region bounded by

the lines y =x, y = x-2, y =-2x and y = 3 - 2x;

Use:

x = 1/3(u+ v), y = 1/3(v - 2u)

Â© BrainMass Inc. brainmass.com December 24, 2021, 7:43 pm ad1c9bdddfhttps://brainmass.com/math/integrals/variable-substitution-multivariate-integrals-212660

## SOLUTION This solution is **FREE** courtesy of BrainMass!

Hello and thank you for posting your question to Brainmass!

The solution is attached below in two files. the files are identical in content, only differ in format. The first is in MS Word format, while the other is in Adobe pdf format. Therefore you can choose the format that is most suitable to you.

https://brainmass.com/math/integrals/variable-substitution-multivariate-integrals-212660