# Evaluate the given integral by means of the indicated change of variables. ∬R (x2 + y2) sin xy dA, where R is the region bounded by the graphs of x2 - y2 = 1, x2 - y2 = 9, xy = 2, xy = -2; u = x2 -y2, v = xy

Question

Evaluate the given integral by means of the indicated change of variables.

R (x2 + y2) sin xy dA, where R is the region bounded by the graphs of x2 - y2 = 1, x2 - y2 = 9, xy = 2, xy = -2; u = x2 -y2, v = xy