The area (in sq. units) of the region {9x, y) : x2 + 2} is :
A.
The area (in sq.units ) of the region bounded by the curves y = 2x and ,in the first quadrant is:
Area bounded by the lines y = x, x = - 1, x = 2 and x - axis is
5/2 sq unit
3/2 sq unit
1/2 sq unit
None of the above
The volume of solid generated by revolving about the y-axis the figure bounded by the parabola y = x and x = y2 is
The volume of the solid formed by rotating the area enclosed between the curve y2 = 4x, x = 4 and x = 5 about x-axis is (in cubic units)