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Discussion Forum » MSC » limit  
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Multiplying by the conjugate may not work here, since we have a power less than 1/2. If you have learned l'Hopital's rule, this provides a way to solve this rather easily, and it seems to me that this is the only way to do it, at least the only straightforward way. However, if you are certain that this problem can be solved without that, we can continue trying some other methods.
 MattGuay  20100226  
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Consider a new variable w with x = w^5  DickFurnas  20100226  
