i)the area between y=x squared and y=5x
ii) the volume of the solid generated when the curve xy=2 is rotated one revoution about x-axis between the limits x = 2 and x = 4
i)the area between y=x squared and y=5x
ii) the volume of the solid generated when the curve xy=2 is rotated one revoution about x-axis between the limits x = 2 and x = 4