Use the given transformation to evaluate the integral. 4xy dA, where R is the region in the first quadrant bounded by the lines y = and y = and the hyperbolas xy = and xy =x = u/v, y = v

Use the given transformation to evaluate the integral.

Extracted text: Use the given transformation to evaluate the integral. 4xy dA, where R is the region in the first quadrant bounded by the lines y = and y = and the hyperbolas xy = and xy =x = u/v, y = v