Finding the Volume Under a Surface Above a Triangle

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In summary, an iterated integral is a type of integral used to calculate the volume under a surface in multiple dimensions. It is written as a double or triple integral, with each integral sign corresponding to a different dimension. The main difference between a normal integral and an iterated integral is the number of dimensions being integrated over. Iterated integrals are commonly used in physics, engineering, and other scientific fields to solve problems involving multiple dimensions. Some applications of iterated integrals include calculating work done by a force field, finding the center of mass of an object, and solving differential equations.
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mthreezycrazy
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Homework Statement


find the volume under the surface z=(y)(x)^2 and above the triangle with vertices (4,0) (1,0) (2,1)



Homework Equations





The Attempt at a Solution



i got my limits of integration to be y=0 to y=1 and x=y+1 to x=4-2y. my integrand itself is (y)(x)^2dxdy

i just wanted to see if this is correct.
thanks!
 
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help please!
 
  • #3
nobody ?
 
  • #5
Mark44 said:
That should work.

^^^ thanks mark
 

1. What is an iterated integral?

An iterated integral is a type of integral used to calculate the volume under a surface in multiple dimensions. It involves integrating a function over a specific region multiple times, with each integral corresponding to a different dimension.

2. How is an iterated integral written?

An iterated integral is typically written as a double or triple integral, with each integral sign corresponding to a different dimension. For example, a double integral would be written as ∫∫f(x,y)dxdy, while a triple integral would be written as ∫∫∫f(x,y,z)dxdydz.

3. What is the difference between a normal integral and an iterated integral?

The main difference between a normal integral and an iterated integral is the number of dimensions being integrated over. A normal integral is typically used to find the area under a curve in one dimension, while an iterated integral is used to find the volume under a surface in multiple dimensions.

4. When is an iterated integral used?

An iterated integral is used whenever a function depends on multiple variables and we need to find the volume under its surface. It is commonly used in physics, engineering, and other scientific fields to solve problems involving multiple dimensions.

5. What are some applications of iterated integrals?

Iterated integrals have many applications in various fields, including calculating the work done by a force field, finding the center of mass of an object, and determining the probability of an event occurring in a given range. They are also used in solving differential equations and in some machine learning algorithms.

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