3P(n) = 1-P(n-1).
P(n) = ???
Thanks in advance.
But Why P(n) can have that form relate to 1 and 1/3 ?
since it is only a special example we pick that p(n) =
Thanks very much!
I don't want to only know the solution, can you teach me how to analyze this ?
When i encounter such a problem, what should i do to figure out the right solution ?