Chapter 16.3, Problem 22E

Cartesian to polar coordinates Sketch the given region of integration R and evaluate the integral over R using polar coordinates.

24.     ${\displaystyle \underset{R}{\iint }2xydA;}$ R = {(r, θ): 1 ≤ r ≤ 3, 0 ≤ θ ≤ π/2}