In how many ways can 4 balls be placed in 4 boxes if neither the balls nor the boxes are distinguishable?

Really got no idea on how approach.

Jasonkiln Aug 26, 2022

#1**+1 **

Just count em...

4 - 0 - 0 - 0

3 - 1 - 0 - 0

2 - 2 - 0 - 0

2 - 1 - 1 - 0

1 - 1 - 1 - 1

So \(\color{brown}\boxed{5}\) ways

BuilderBoi Aug 26, 2022