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3psilon Group Title

Why is e^ lnx^3 equal to just x^3?

  • 2 years ago
  • 2 years ago

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  1. lgbasallote Group Title
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    properties of logarithms... \[\huge e^{\ln a} \implies e^{\log_e a} \implies a\] do you remember this property?

    • 2 years ago
  2. tkhunny Group Title
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    e^(ln(x)) = x ln(e^x) = x They are inverse functions.

    • 2 years ago
  3. Yahoo! Group Title
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    e is a inverse Function of ln so they cancles off....like \[\sin(\sin ^{-1} 7) = 7\]

    • 2 years ago
  4. lgbasallote Group Title
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    you can;t take the arcsin of 7....

    • 2 years ago
  5. zepdrix Group Title
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    lol i suppose that's true :) Example gone bad... i hate when that happens XD

    • 2 years ago
  6. Yahoo! Group Title
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    oh...Sorry.....Max value of sin is 1.....) hm...hm

    • 2 years ago
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