Series homework help problem again

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The discussion focuses on approximating the function \(\frac{1}{\sqrt{\sum_{\alpha}(x_{\alpha}-x_{i\alpha})^2}}\) around the point \(x_{i\alpha}=0\). Participants clarify that the approximation should consider all values of \(\alpha\) and that \(i\) represents a specific index. The conversation emphasizes the need for a clear understanding of Taylor series expansion to achieve the desired approximation effectively.

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Petar Mali
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[tex]\frac{1}{\sqrt{\sum_{\alpha}(x_{\alpha}-x_{i\alpha})^2}}[/tex]

approximate this function around [tex]x_{i\alpha}=0[/tex]. I don't know how to do that? Any idea?
 
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x=0 ? Is this for all α and is there only one i?
 

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