The function is ,
and
.
(a)
\Find volume of the solid about - axis.
Solve the function in terms of .
Find the point of intersections.
\ and
.
Point of intersection is .
and
.
Point of intersection is .
The radius of the curve is .
The height of the curve is .
Integrate with to
.
By usig shell method .
Power rule of integral is
The volume of the curve about -axis is
cubic-units.
(b)
\Find volume of the solid about -axis.
Solve the function in terms of .
The radius of the curve is
The height of the curve is
Integrate with to
.
By usig shell method
Power rule of integral: .
The volume of the curve about -axis is
cubic-units.
(c)
\Find volume of the solid about the line .
Solve the function in terms of .
The radius of the curve is .
The height of the curve is .
Integrate with to
.
By usig shell method .
The volume of the curve is cubic-units.
(a) The volume of the curve about -axis is
cubic-units.
(b) The volume of the curve about -axis is
cubic-units.
(c) The volume of the curve about the line is
cubic-units.