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How to read/interpret this equation

by TheMarksman
Tags: equation, read or interpret
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TheMarksman
#1
Nov11-12, 11:07 PM
P: 7
Hi guys,



I am a little confused about how to interpret the matrix included in the equation...can someone please write it in a single line not using the matrix for let's say n=3...


Thanks in advance.
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Mute
#2
Nov11-12, 11:09 PM
HW Helper
P: 1,391
That's not a matrix, it's a standard notation for a binomial coefficient:

$$\left(\begin{array}{c}{n \\ k}\end{array}\right) = _nC_k = \frac{n!}{k!(n-k)!}$$
Mentallic
#3
Nov11-12, 11:10 PM
HW Helper
P: 3,537
Quote Quote by TheMarksman View Post
Hi guys,



I am a little confused about how to interpret the matrix included in the equation...can someone please write it in a single line not using the matrix for let's say n=3...


Thanks in advance.
What matrix? Is [itex]\tau[/itex] a matrix? Because [itex]{n \choose k}[/itex] is not a matrix.

TheMarksman
#4
Nov11-12, 11:12 PM
P: 7
How to read/interpret this equation

Thanks so much Mr. Mute..Mr. Mentallic, I thought (n k) is a matrix not tau...sorry...

Thanks so much for the replies....have a good day guys...


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