+0  
 
0
2384
1
avatar

compute c9,2

 Oct 13, 2014

Best Answer 

 #1
avatar+23254 
+5

9C2  =  9! / ( 2! · (9-2)! )  =  9! / ( 2! · 7! )  =  36

 Oct 13, 2014
 #1
avatar+23254 
+5
Best Answer

9C2  =  9! / ( 2! · (9-2)! )  =  9! / ( 2! · 7! )  =  36

geno3141 Oct 13, 2014

4 Online Users

avatar
avatar
avatar
avatar