The derivative of log and exp functions

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SUMMARY

The discussion focuses on differentiating exponential and logarithmic functions where the bases are functions rather than constants. Key rules highlighted include the relationship \( a^{b} = e^{b \ln(a)} \) and \( \log_{a}(b) = \frac{\ln(b)}{\ln(a)} \). These rules are essential for applying differentiation techniques correctly in such scenarios. Participants emphasize the importance of using these foundational concepts to derive the necessary expressions.

PREREQUISITES
  • Understanding of calculus, specifically differentiation techniques.
  • Familiarity with exponential functions and their properties.
  • Knowledge of logarithmic functions and their rules.
  • Basic grasp of natural logarithms and their applications.
NEXT STEPS
  • Study the differentiation of composite functions using the chain rule.
  • Learn about implicit differentiation for functions defined in terms of other functions.
  • Explore the application of the product and quotient rules in differentiation.
  • Investigate advanced topics in calculus, such as Taylor series expansions for exponential and logarithmic functions.
USEFUL FOR

Students and professionals in mathematics, particularly those studying calculus, as well as educators teaching differentiation techniques involving exponential and logarithmic functions.

ShayanJ
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Hi
I want to know is it possible to differentiate exp and log functions where bases are functions not constants?How?
Thanks
 
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Remember that:

1. [tex]a^{b}=e^{b\ln(a)}[/tex]
and

2.[tex]log_{a}(b)=\frac{\ln(b)}{\ln(a)}[/tex]

Use these rules in the appropriate manner in order to differentiate the expressions you asked about!
 

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