How to approach?
Dr.Peterson Elite Member Joined Nov 12, 2017 Messages 16,140 Sep 19, 2021 #2 Saumyojit said: View attachment 28950 How to approach? Click to expand... Any way you want to! Please make an attempt. This is easy to do by permutations, or there are other ways. But you won't learn without doing.
Saumyojit said: View attachment 28950 How to approach? Click to expand... Any way you want to! Please make an attempt. This is easy to do by permutations, or there are other ways. But you won't learn without doing.
pka Elite Member Joined Jan 29, 2005 Messages 11,971 Sep 19, 2021 #3 Do you know how many ways there are to arrange the string [imath]WWWWWNNN~?[/imath]
S Saumyojit Senior Member Joined Jan 21, 2020 Messages 1,032 Sep 19, 2021 #4 pka said: WWWWWNNN ? Click to expand... oh yes . My bad . I did this type of sum before thanks