Q. 5 - Calculus

Question

Sketching  a representative  disks ,washers and shells : sketch a representative  disks , washers , shells for the solid obtained by revolving the regions shown in figure around the given lines .

The x axis 

Step-by-Step Solution

Answer

The resulting solid revolving around x axis is shell 

Step 1.Given information

We have been given 

To find out the figure formed after revolving about x- axis .

Step 2. Finding the revolved figure

Since from the figure we can see that there is no gap between x- axis and curve  the resulting solid formed after revolving around x-axis is shell .