2. X 3. x = In(2y + 1), 0=y = 1 17 of 4. y = tan x, 0 = x = 1 5-8 The given curve is rotated about the y-axis. Set up, but do not evaluate, an integral for the area of the resulting surface by inte- grating (a) with respect to x and (b) with respect to y. 5. xy = 4, 1