Math 241 Pai 207 2ãCakulate ewh of the following quantities (a) The double integral nRe®~ dA where R i. the triangular region in the plane with vertices (0,0)% .1), and 2,1) 2 2 + y-4, to the right of (b) The area of the region in the plane lying inside the circle line z 1, and above the line y z.