What does this notation mean?

  • Thread starter geft
  • Start date
  • #1
148
0
[tex]\sum_{n=2}^{\infty} \begin{pmatrix}
{n}\\
{2}
\end{pmatrix} z^{n}[/tex]
 

Answers and Replies

  • #2
Office_Shredder
Staff Emeritus
Science Advisor
Gold Member
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184
Which part is confusing you?
 
  • #3
148
0
It's supposed to be a power series, but I don't understand how to decipher the brackets.
 
  • #5
148
0
Many thanks!
 

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