The number of ways to choose k out of n things is O the sum of the number of ways to choose k - 1 out of n - 1 things an
Posted: Tue Jul 12, 2022 8:09 am
The number of ways to choose k out of n things is O the sum of the number of ways to choose k - 1 out of n - 1 things and the number of ways to choose k out of n - 1 things the number of ways to choose k out of n - 1 things O the product of the number of ways to choose k-1 out of n - 1 things and the number of ways to choose k out of n - 1 things O the number of ways to choose k 1 out of n - 1 things.