5. 11 points SEssCalc1 12.8.022 My Notes Ask Your Teacher Evaluate the given integral by making an appropriate change of variables, where R is the region in the first quadrant bounded by the ellipse 4x2 + 49y2 = 1 L = JJ. 9 sin(212 + 294y*) dA L= Need Help?Read It Talk to a Tutor