Solving Double Integrals Using U-Substitution

[xtrubambinoxpr]

Homework Statement

Attached below

Homework Equations

The Attempt at a Solution

So I cannot figure this out. Would this be integration by parts? or by substitution.. It provides me with an answer but no reasoning behind it and I cannot figure it out =/

 

[Ray Vickson]

Homework Statement

Attached below

Homework Equations

The Attempt at a Solution

So I cannot figure this out. Would this be integration by parts? or by substitution.. It provides me with an answer but no reasoning behind it and I cannot figure it out =/

PF rules require you to show your work. What have you tried so far?

 

[xtrubambinoxpr]

PF rules require you to show your work. What have you tried so far?

I had done so much work I didnt want to type it and was going to upload a picture, But indeed I figured it out.. Using U sub with U = xy^2 du = 2xy and x was a constant so it was factored out leaving everything peachy!

 

[Mark44]

I had done so much work I didnt want to type it and was going to upload a picture, But indeed I figured it out..

You don't have to show us all your work - just give us some indication that you have done something.

Using U sub with U = xy^2 du = 2xy and x was a constant so it was factored out leaving everything peachy!