Electric charge is distributed over the triangular region D shown below so that the charge density at (x, y) is (x, y) = 2xy, measured in coulumbs per square meter (C/m). Find the total charge on D U 5 4 3 2 1 1 1 1 3 13 -2 3 4 5 coulumbs Find the Jacobian of the transformation x x = 4u + 2v, y = u + v Find SS R 2x - 2y -5x+6y dA, where R is the parallelogram enclosed by the lines - -5x+6y= 7 2x-2y=0, 2x - 2y = 9, -5x+6y= 1, Find (2,7). (2x+4y)dA where R is the parallelogram with vertices (0,0), (-1,5), (3,2), and (2x Use the transformation x = -u + 3v, y = 5u + 2v