Thread: Double Integral

Let

f be continuous on [0; 1] and let R be the triangular region with vertices (0; 0); (1; 0) and (0; 1). Show that

Hi All,

I got stuck with the above question. Basically I got LHS:


How do I continue from here?

Hi QF203 classmate. Use the change of variable method taught in Lesson 9. Haha. Use u=x+y, and v=y.

Originally Posted by metallicsatan

Hi QF203 classmate. Use the change of variable method taught in Lesson 9. Haha. Use u=x+y, and v=y.

You will also need to compute the Jacobian so that is transformed to or (whichever is easier).

Thanks for the help. I had a similar problem too.