Counting & ProbabilityHardIdentities and Techniques, Proved
Identities and Techniques, Proved · Hard problem
Ten identical balls are placed in four numbered boxes so that no box is empty and box 1 holds at most 3 balls. How many ways are there?
Ten identical balls are placed in four numbered boxes so that no box is empty and box 1 holds at most 3 balls. How many ways are there?