2x Evaluate: dx 1 -4x* O . 2sin -1(2x2) + C O (1-2x2 ) 2 + C O sin -1(2x2) + C O 3 2 (1-2x2) 2 + CRegion ( is bounded by ) = 3sin2x, y = 0 x = - and X = It in Which of the following expressions gives the volume of a solid whose base in the xy-plane is region O and whose cross sections, perpendicular to the x-axis, are squares with a side in the xy-plane? O (-3sin2x) dx O (-3sin2x )- dx (1-3cos2x) dx 7 _(1-3cos 2x) dxa. Find the volume of the solid generated by revolving the region bounded by the graphs of the equations 3' = 2x I = 0 3 3 and I = 3 about the line I = S. O 896 1 'JI O 896 15 O 968 l) O 443 15 O 443 13