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Thread: Cauchy's Root test

  1. April 22nd 2010, 01:23 AM #1
    adam_leeds
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    Cauchy's Root test

    How do you do cauchy's root test of e^n/(((3n)^n) + 4)
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  2. April 22nd 2010, 02:46 AM #2
    tonio
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    Quote Originally Posted by adam_leeds View Post
    How do you do cauchy's root test of e^n/(((3n)^n) + 4)

    \sqrt[n]{\frac{e^n}{(3n)^n+4}}=\frac{e}{\sqrt[n]{(3n)^n+4}}\leq \frac{e}{3}<1 ...

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