Guys I Actually do this some practice But I still dont get it

Question

A function that will compute for the
Of n take m
Formula:
C(n,m)=n!/(m!(n-m)!)

Answer 1

make a function for resolving factorial can be using loops or recursion, then you can make your function calling inside the another function for resolving factorial:)

Answer 2

yes i know how to code that one but using the return function like
void ...

Answer 3

just begginers here