Volume of Region Bounded by y = e^(-x^2) and y = 0 About the y-Axis

In summary, volume in the context of a "funky integral" refers to the space occupied by a three-dimensional object with a non-uniform shape. The funky integral is a mathematical tool used to calculate the volume of such objects by integrating a function that represents the cross-sectional area with respect to the axis of rotation. However, the funky integral has limitations when it comes to objects with holes or concave portions, and may differ from other methods of finding volume, such as the disk and shell methods, as it can be used for non-uniform shapes and objects with varying cross-sectional areas. It is not suitable for all three-dimensional objects and other methods, such as the triple integral, may be more appropriate.
  • #1
whatlifeforme
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Homework Statement


find the volume of the region bounded by the graph of the given equations about the y-axis.


Homework Equations


y=e^(-x^2)
y=0
x=0
x=1



The Attempt at a Solution


2pi (integral) (0 to 1) x(e^(-x^2)) dx

not sure how to do this integral.
 
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  • #2
Start by substituting u = -x^2.
 

1. What is volume in the context of a "funky integral"?

Volume in the context of a "funky integral" refers to the amount of space occupied by a three-dimensional object. In this case, the object may have a non-uniform shape, hence the term "funky". The funky integral is a mathematical tool used to calculate the volume of such objects.

2. How is the funky integral used to find volume?

The funky integral is used to find volume by integrating a function that represents the cross-sectional area of the object with respect to the axis of rotation. This integration process yields the volume of the object, provided that the limits of integration and the function are properly chosen.

3. What are the limitations of using the funky integral to find volume?

The funky integral has limitations in finding volume for certain types of objects, such as those with holes or concave portions. In these cases, the funky integral may yield an incorrect or undefined result. It is important to carefully choose the limits of integration and the function to avoid these limitations.

4. How does the funky integral differ from other methods of finding volume?

The funky integral differs from other methods of finding volume, such as the disk and shell methods, in that it can be used for non-uniform shapes. The funky integral also allows for the calculation of volume for objects with varying cross-sectional areas, whereas the disk and shell methods are limited to objects with simple geometric shapes.

5. Can the funky integral be used for any three-dimensional object?

No, the funky integral is not suitable for finding the volume of all three-dimensional objects. It is best used for objects with rotational symmetry and a defined axis of rotation. Other methods, such as the triple integral, may be more appropriate for finding the volume of more complex objects.

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