6.2 volume of solid of revolution dfs
TRANSCRIPT
Example 2: (pg: 425)
Find the volume of the solid that is obtained when the region under the curve
over the interval [1, 4] is revolved about the
x-axis.
xxfy )(
Example 4: (pg: 426)
Find the volume of the solid generated when the region between the graphs of the equations
and g(x)=x over the interval [0, 2] is revolved about the x-axis.
2. Write the formula:
Solution:
1. Draw the graph:
2
2
1)( xxf
Example 5: (pg: 427)
Find the volume of the solid that is obtained when the region enclosed by the curve
y=2, and x=0 is revolved about the y-axis.
xxfy )(