Recent content by Curiouspoet

In the case of taking an 8-list of 26 letters where at most 1 letter repeats, would it just be the sum of case A and case B as I wrote?

Counting Lists With Repetition Homework Statement How many ways can you create an 8 letter password using A - Z where at most 1 letter repeats? Homework Equations The Attempt at a Solution I'm not sure how to attack this problem but first I thought that A-Z considers 26 letters...