1. Mar 8, 2010 #1

   Algernon81

   

   Hello,
   
   I have come across this part of a question which has puzzled me.
   
   

   I assume it means Taylors, but could someone help me understand this?

    

   Algernon81, Mar 8, 2010
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3. Mar 8, 2010 #2

   Redbelly98

   

   Staff Emeritus

   Science Advisor

   Homework Helper

   Re: Expansion
   
   Not Taylor's expansion, they just mean to multiply it out:
   
   

   (x + y/sqrt[n] + z/n) * (x + y/sqrt[n] + z/n) = x² + . . .​

    

   Redbelly98, Mar 8, 2010
4. Mar 8, 2010 #3

   Algernon81

   

   Re: Expansion
   
   

   Ah, typical of me. I always look for the hardest way of doing things.
   
   Thank you!

    

   Algernon81, Mar 8, 2010
5. Mar 8, 2010 #4

   statdad

   

   Homework Helper

   Re: Expansion
   
   Not a taylor series - just square the whole thing.
   
   [tex]
   \left(x + \frac y {\sqrt n} + \frac z n\right)^2 = \left(x + \frac y {\sqrt n} + \frac z n\right) \cdot \left(x + \frac y {\sqrt n} + \frac z n\right)
   [/tex]

    

   statdad, Mar 8, 2010

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