What is the volume of the solid produced by revolving #f(x)=sqrt(81-x^2)# around the x-axis?
1 Answer
Volume
Explanation:
Solution 1.
The given curve is located at the first and second quadrants as shown in the graph
You will notice that the graph shows that it is a half circle with radius
Formula for volume of the sphere
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Solution 2.
To solve for the volume by the Calculus , we make use of the Disk Method
God bless....I hope the explanation is useful.