Difference between revisions of "A choose b"

Line 1: Line 1:
Here is the formula for a choose b: <math>\binom{a}{b}=\frac{a!}{b!(a-b)!}</math>. This is assuming that <math>a \ge b </math>
+
Here is the formula for a choose b: <math>\binom{a}{b}=\frac{a!}{b!(a-b)!}</math>. This is assuming that of course <math>a \ge b </math>.
 
   
 
   
 
== Why is it important? ==
 
== Why is it important? ==

Revision as of 16:53, 15 June 2019

Here is the formula for a choose b: $\binom{a}{b}=\frac{a!}{b!(a-b)!}$. This is assuming that of course $a \ge b$.

Why is it important?