Efficient Variable Solving with Maple: Logarithm Properties and Equations

  • Thread starter Thread starter uman
  • Start date Start date
  • Tags Tags
    Variable
Click For Summary
SUMMARY

The discussion focuses on solving the equation {\frac {65-75\,{e^{-5\,k}}}{1-{e^{-5\,k}}}}={\frac {60-75\,{e^{-10\,k}}}{1-{e^{-10\,k}}}} using Maple, which simplifies the process to yield k=1/5\,\ln \left( 2 \right). The key logarithmic property utilized is that if {e}^{x}=k, then x=\ln \left( k \right). The user expresses difficulty in manually solving the equation and seeks clarification on the transformation of e^{-10\,k} when e^{-5\,k} is substituted with z.

PREREQUISITES
  • Understanding of exponential functions and their properties
  • Familiarity with logarithmic identities, specifically {e}^{x}=k and x=\ln \left( k \right)
  • Basic knowledge of algebraic manipulation of equations
  • Experience with Maple software for symbolic computation
NEXT STEPS
  • Study the properties of logarithms in depth, focusing on transformations and identities
  • Learn how to use Maple for solving equations involving exponentials and logarithms
  • Explore the concept of variable substitution in algebraic equations
  • Practice solving similar exponential equations manually to reinforce understanding
USEFUL FOR

Students in mathematics or engineering fields, educators teaching logarithmic properties, and anyone interested in enhancing their skills in solving exponential equations using Maple.

uman
Messages
348
Reaction score
1

Homework Statement


[tex]{\frac {65-75\,{e^{-5\,k}}}{1-{e^{-5\,k}}}}={\frac {60-75\,{e^{-10\,k}<br /> }}{1-{e^{-10\,k}}}}[/tex]

Homework Equations


[tex]{e}^{x}=k[/tex] implies [tex]x=\ln \left( k \right)[/tex], as well as other properties of logarithms.

The Attempt at a Solution


Maple makes short work of this, giving [tex]k=1/5\,\ln \left( 2 \right)[/tex], but I'm totally lost as to how to solve it myself.
 
Physics news on Phys.org
I you set
[tex]e^{-5\,k}=z[/tex]
then what
[tex]e^{-10\,k}[/tex]
equals to?
 

Similar threads

  • · Replies 12 ·
Replies
12
Views
2K
  • · Replies 13 ·
Replies
13
Views
2K
  • · Replies 22 ·
Replies
22
Views
3K
  • · Replies 11 ·
Replies
11
Views
3K
Replies
3
Views
2K
  • · Replies 3 ·
Replies
3
Views
2K
  • · Replies 2 ·
Replies
2
Views
2K
Replies
4
Views
4K
Replies
3
Views
2K
  • · Replies 5 ·
Replies
5
Views
2K