Solve 3 equations in three unknowns I, W, and L

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SUMMARY

The discussion focuses on solving three equations involving the variables I, W, and L to determine the critical value of L. Users reference attachments created with MathType, including images labeled 'differential.gif' and 'Differential textSolution.gif', which illustrate the equations and the textbook's solution process. Participants express confusion regarding the methodology used in the textbook to arrive at the solution, indicating a need for clarification on the steps taken. The conversation highlights the importance of visual aids in understanding complex mathematical concepts.

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  • Understanding of algebraic equations and systems of equations.
  • Familiarity with MathType for creating mathematical expressions.
  • Basic knowledge of differential equations.
  • Ability to interpret graphical representations of equations.
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  • Review methods for solving systems of equations, specifically using substitution and elimination techniques.
  • Explore the application of MathType for creating and manipulating mathematical equations.
  • Study differential equations and their solutions to gain insight into the problem context.
  • Analyze example problems that illustrate the step-by-step solution process for similar equations.
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Students studying mathematics, particularly those tackling systems of equations and differential equations, as well as educators seeking to enhance their teaching methods with visual aids like MathType.

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Homework Statement



Solve 3 equations in three unknowns I, W, and L to find the critical value of L.

***Please See attachment 'differential.gif'****

also note, that I wrote all this using 'mathtype', if its of importance for any to know.

Homework Equations



Please see attachment 'differential.gif'

The Attempt at a Solution



****Please see attachment 'Differential tryout.gif' and 'Differential Tryout2.gif'***

I squeezed my brain to what it can handle, but I can not understand how the textbook has got such a solution by its process which I do not understand------Please see attachment 'Differential textSolution.gif' ( since their is a max of three attachments, I am gona make a new thread named 'Differential Text sol' with the attachment.
 

Attachments

  • differential.gif
    differential.gif
    27.6 KB · Views: 500
  • differential tryout.jpg
    differential tryout.jpg
    17.2 KB · Views: 425
  • differential tryout2.gif
    differential tryout2.gif
    20.5 KB · Views: 517
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Differential text sol

Homework Statement



see attachment in thread 'differential'

Homework Equations




See attachment in thread 'Differential'

The Attempt at a Solution



this has the text solution, which i do not understand how it got it?. Please see attachment "Differential text solution.gif'
 

Attachments

  • Differential text solution.gif
    Differential text solution.gif
    5.2 KB · Views: 493

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