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Math Help - [SOLVED] Radius and interval of convergence 4

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    is up to his old tricks again! Jhevon's Avatar
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    [SOLVED] Radius and interval of convergence 4

    Please check my work
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    I seem to get something else.

    I use the fact that is |a|<1 then |a|^{1/n} --> 0
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    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by ThePerfectHacker View Post
    I seem to get something else.

    I use the fact that is |a|<1 then |a|^{1/n} --> 0
    are you sure about that? i think it will go to 1. it would go to 0 if we had n not 1/n
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    Quote Originally Posted by ThePerfectHacker View Post
    I use the fact that is |a|<1 then |a|^{1/n} --> 0
    That is true only if a=0; otherwise the limit is 1.
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    Yes, I made a mistake.

    Now I can fix my homework.
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