The integral of 1 dydx xy In (ab) In (a) - In (b) Option 1 O Option 2 In (a) + In (b) In (a) In (b) Option 3 Option 4Reverse the order of integration on * f(x, y)dxdy y f(x, y) dydx f(x, y) dydx O Option 1 O Option 2 0 f(x, y) dyda I f(z, y)dydn O Option 3 Option 4Find the area of the region bounded by the y-axis, the parabola and line whose equations are given below by taking the elements of area perpendicular to the x-axis $2+y+4=03y=8 0 Option 3 O Option4 A solid is generated when the region in the rst quadrant bounded by the curve given below, the line y=1, and the y-axis is revolved about the x- axis. Taking rectangular elements perpendicular to the axis of revolution, its volume is found by evaluating which of the following integrals? O Optioni O Option2 O Option 3 O Option 4 A region in the first quadrant is enclosed by the * graphs of the line y = 2, the y-axis, and the parabola whose equation is given below. Taking rectangular elements parallel to the axis of revolution, find the volume of the solid generated when this region is revolved about the line x=3. y =6- 22 (-23 - 3x2 + 4x + 12) dx (-23+3x' +4x - 12) dx Option 1 Option 2 27 (23 - 3x2 - 4x + 12) da 27 (-23 - 3x2 + 8x +24) dx O Option 3 O Option 4