Math Problem Statement

Find the conservative vector field for the potential function by finding its gradient: f(x, y, z) = 8xyz.

Solution

To find the conservative vector field for the given potential function f(x,y,z)=8xyzf(x, y, z) = 8xyz, we calculate its gradient, f\nabla f. The gradient is defined as:

f=(fx,fy,fz)\nabla f = \left( \frac{\partial f}{\partial x}, \frac{\partial f}{\partial y}, \frac{\partial f}{\partial z} \right)

Step 1: Partial derivatives

  1. Partial derivative with respect to xx: fx=x(8xyz)=8yz\frac{\partial f}{\partial x} = \frac{\partial}{\partial x}(8xyz) = 8yz

  2. Partial derivative with respect to yy: fy=y(8xyz)=8xz\frac{\partial f}{\partial y} = \frac{\partial}{\partial y}(8xyz) = 8xz

  3. Partial derivative with respect to zz: fz=z(8xyz)=8xy\frac{\partial f}{\partial z} = \frac{\partial}{\partial z}(8xyz) = 8xy

Step 2: Combine results

The conservative vector field is: f=(8yz,8xz,8xy)\nabla f = (8yz, 8xz, 8xy)

This is the required vector field.


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Related Questions

  1. What are conservative vector fields, and how are they used in physics?
  2. How can you verify if a given vector field is conservative?
  3. Can a potential function exist for non-conservative fields?
  4. How does the gradient operation relate to divergence and curl?
  5. What is the significance of conservative fields in fluid dynamics?

Tip

Always check your calculations for each partial derivative step-by-step to avoid errors, especially for complex potential functions.

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Math Problem Analysis

Mathematical Concepts

Multivariable Calculus
Gradient
Vector Fields

Formulas

∇f = (∂f/∂x, ∂f/∂y, ∂f/∂z)

Theorems

Gradient theorem

Suitable Grade Level

Undergraduate Mathematics (Calculus III)