The discussion revolves around evaluating a double integral using a change of variables in a calculus context. The integral involves the expression (x + y) sin(x - y) over a specified region defined by several linear boundaries.
Some participants express uncertainty about how to begin the problem, particularly in relation to graphing the boundaries. There is a recognition of the importance of visual representation in solving the problem, but no consensus on how to proceed has been reached.
Participants note difficulties with graphing the specified boundary lines, which may impact their ability to set up the integral correctly. There is an emphasis on the necessity of drawing these lines as part of the problem-solving process.
princessp said:okay i think that's where i am having trouble. I an not good at drawing the graph