EvaluateRx2y +3 dA, where R is the rectangular region {(x, y)|0 x 2,0 y 1}.a.14 ln(73)b. ln(73)c. ln(53)d.2 ln(35)e.2 ln(53)2. Let D be the region inside r =2 sin and outside r =2 cos in the first quadrant. ThenD1x2+ y2 dA =a. /42 sin 01r dr db. 02 sin 2 cos 1r2 dr dc. /202 sin 01r dr dd. /2/42 sin 2 cos 1r dr de. /2/42 cos 2 sin 1r2 dr d