100!/(95!5!) not working? (geometry with combinations) *nevermind, figured out what i was doing wrong*

Guest Aug 24, 2017

edited by
Guest
Aug 24, 2017

#2**+1 **

**100!/(95!5!) not working? (geometry with combinations) **

\(\begin{array}{|rcll|} \hline && \frac{100!} {95!5! } \\\\ &=& \frac{100}{5} \times \frac{99}{4} \times \frac{98}{3} \times \frac{97}{2} \times \frac{96}{1} \\\\ &=& \frac{100}{5} \times \frac{99}{3} \times \frac{98}{2} \times \frac{97}{1} \times \frac{96}{4} \\\\ &=& 20 \times 33 \times 49 \times 97 \times 24 \\\\ &=& 75287520 \\ \hline \end{array}\)

heureka
Aug 24, 2017