R is a square in the xy-plane having the vertices (1, 0), (0, 1), (?1, 0), and (0, ?1). Find an appropriate change of variables and evaluate the following integral.

Problem 6 10 pts R is a square in the xy-plane having the vertices (1, 0), (0, 1), (-1, 0), and (0, -1). Find an appropriate change of variables and evaluate the following integral. (x + y)?ex2-y' dady R ( tyler- dady = R