Example 4.35. Evaluate JJD xdxdy, where D = {(x, y) |x 20, 1

Example 4.35. Evaluate .T,dxdy, where D = {(.T, 0, I 2,1 y/:r 2}. Let u = cy and v = y/a; (i.e., g(u,v) = and y h(u,v) mapped into O = v)ll 2}. v'F7,'), then D is J(u, v) = det 7L 37, Qu Qu Ou Dv 1 f(g(u, v), h(u, v)) IJ(u, dudv 2 2 1 1 3 2 1 2 1 dudv dv du v 2v 2 1