MATH 233 EXAM 2 Page 5 of 10 Question 3 (15 points) Parts (a) and (b) are distinct from each other. (a) Consider the integral y sin(x2) dx dy. Sketch the region of integration, then reverse the order of integration and evaluate the integral. (b) Consider the integral xty 2 dA, where R = { (x, y) | 1 5 x2 + 2 5 4, y z 0). JRX 2+ yz Sketch the region of integration and evaluate the integral