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Math Help - [SOLVED] Complex

  1. #1
    Member ronaldo_07's Avatar
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    [SOLVED] Complex

    Need help on this question.

    Evaluate the following limits:

    1. \underset{z\to -i}{\mathop{\lim }}\,\frac{{{z}^{4}}}{{{z}^{3}}+i}.

    2. \underset{z\to \infty }{\mathop{\lim }}\,\frac{{{(z-2i)}^{2}}(7z-3)}{{{(1-iz)}^{2}}(1+5z)}.

    3. \underset{z\to i+1}{\mathop{\lim }}\,\frac{{{z}^{5}}}{{{z}^{2}}-2i}.
    Last edited by Krizalid; January 29th 2009 at 04:21 PM.
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  2. #2
    Member ronaldo_07's Avatar
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    I have solved this sorry.
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