Use a triple integral to find the volume of the given solid. The tetrahedron enclosed by the coordinate planes and the plane 9x + y + z = 4

Calculus: Early Transcendentals
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ISBN:9781285741550
Author:James Stewart
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Chapter1: Functions And Models
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Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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**Topic: Calculating the Volume of a Tetrahedron Using Triple Integrals**

**Objective:**  
Use a triple integral to find the volume of the given solid.

**Problem Statement:**  
Find the volume of the tetrahedron enclosed by the coordinate planes and the plane described by the equation \(9x + y + z = 4\).

**Explanation:**  
To solve this problem, you will set up a triple integral over the region defined by the tetrahedron. This requires determining the limits of integration based on the constraints provided by the equation of the plane and the coordinate planes. The coordinate planes here refer to the planes \(x=0\), \(y=0\), and \(z=0\). These planes intersect the given plane \(9x + y + z = 4\) at certain points, forming a tetrahedral region in the first octant. Calculating the bounds from these intersections will allow the setup of proper integration limits.

**Mathematical Objective:**  
Calculate the volume using:

\[ V = \int \int \int_{\text{Tetrahedron}} \, dz\, dy\, dx \]

where the limits of integration for \(x\), \(y\), and \(z\) are determined by the intersection points and the bounding planes.

**Note:**  
This task involves the application of calculus and geometric reasoning to determine the proper region of integration for solving the volume of a solid bounded by a plane in three-dimensional space.
Transcribed Image Text:**Topic: Calculating the Volume of a Tetrahedron Using Triple Integrals** **Objective:** Use a triple integral to find the volume of the given solid. **Problem Statement:** Find the volume of the tetrahedron enclosed by the coordinate planes and the plane described by the equation \(9x + y + z = 4\). **Explanation:** To solve this problem, you will set up a triple integral over the region defined by the tetrahedron. This requires determining the limits of integration based on the constraints provided by the equation of the plane and the coordinate planes. The coordinate planes here refer to the planes \(x=0\), \(y=0\), and \(z=0\). These planes intersect the given plane \(9x + y + z = 4\) at certain points, forming a tetrahedral region in the first octant. Calculating the bounds from these intersections will allow the setup of proper integration limits. **Mathematical Objective:** Calculate the volume using: \[ V = \int \int \int_{\text{Tetrahedron}} \, dz\, dy\, dx \] where the limits of integration for \(x\), \(y\), and \(z\) are determined by the intersection points and the bounding planes. **Note:** This task involves the application of calculus and geometric reasoning to determine the proper region of integration for solving the volume of a solid bounded by a plane in three-dimensional space.
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