ok that was by accident
One, who adopts patience, will never be deprived of success though it may take a long time to reach him. Imam ali (as)<3
I know, remember that math is a precise language. If we are to understand each other we must agree and abide by its rules.
In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.