Find the number of ways of choosing r unordered outcomes from n possibilities
as nCr (or nCk).
Here n choose k tells you that in how many ways we can choose k toys in the
given n no of toys. In the same way n choose k
As you can see, 10!, pronounced 10 factorial, is a large number. What about 20!
or 100!? Most
In mathematics, a choice of k elements out of n distinguishable objects, where the order does not matter, is represented by a list of elements, which cardinal is ...
Combinatorics. Generator of