Stationary Values Homework: Find Co-ordinates & Nature

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SUMMARY

The discussion focuses on finding the stationary values of the function f(x, y) = x³ + y³ - 2x² - 2y² + 3xy. Participants confirm that this function has two stationary points, which can be determined by calculating the first and second derivatives. The discussion emphasizes the importance of using calculus techniques to analyze the nature of these stationary points, specifically through the Hessian matrix.

PREREQUISITES
  • Understanding of multivariable calculus
  • Familiarity with first and second derivative tests
  • Knowledge of Hessian matrix calculations
  • Experience with polynomial functions
NEXT STEPS
  • Learn how to compute first and second derivatives for functions of two variables
  • Study the application of the Hessian matrix in determining the nature of stationary points
  • Explore examples of stationary points in polynomial functions
  • Review textbook sections on optimization techniques in multivariable calculus
USEFUL FOR

Students studying calculus, particularly those focusing on optimization and stationary points in multivariable functions, as well as educators seeking to reinforce these concepts in their curriculum.

keighley
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Homework Statement


I have been asked to answer the following:

The function (x^3)+(y^3)-(2x^2)-(2y^2)+(3xy) has two stationary values. Determine their co-ordinates and their nature.


Homework Equations





The Attempt at a Solution


Sorry I am stuck.
 
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keighley said:

Homework Statement


I have been asked to answer the following:

The function (x^3)+(y^3)-(2x^2)-(2y^2)+(3xy) has two stationary values. Determine their co-ordinates and their nature.


Homework Equations





The Attempt at a Solution


Sorry I am stuck.
Your textbook should have a section on finding stationary points for functions of two variables. I'm reasonably certain it will also have a worked example or two.
 

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