calculate..

easy-medium

#1

someone please suggest how to perform arithmetic operations on … 75!..80! n like wise actually i was solving a question on permutations n combinations but the foctorials are getting too long …
to calculate: nCr 0<=n,r<=100
(although its ans has to b presentd in form ans%10000007…)


#2

This will help!!!


#3

Please see other similar questions in the forum as this question has been answered nicely by @vineetpaliwal sir and others there. you might want to check this as well as other such links