Does e^{2 \ln{|x|}} = |x^2| or x^2?

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SUMMARY

The expression e^{2 \ln{|x|}} is equivalent to |x^2| and x^2. This is established by recognizing that the exponential function and logarithm are inverse operations, and squaring any real number results in a non-negative value. Therefore, both forms represent the same mathematical quantity for all real x.

PREREQUISITES
  • Understanding of exponential functions and logarithms
  • Knowledge of properties of absolute values
  • Familiarity with the concept of squaring numbers
  • Basic algebraic manipulation skills
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  • Study the properties of logarithmic and exponential functions
  • Explore the implications of absolute values in mathematical expressions
  • Learn about the behavior of functions under squaring
  • Investigate the applications of these concepts in calculus
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Students of mathematics, educators teaching algebra and calculus, and anyone interested in understanding the properties of logarithmic and exponential functions.

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is [math]e^{2 \ln{|x|}} = |x^2|[/math] or [math]x^2[/math]?
 
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find_the_fun said:
is [math]e^{2 \ln{|x|}} = |x^2|[/math] or [math]x^2[/math]?

Both, since squaring makes everything non-negative anyway...
 

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