youtube.com › watchLet \( S \) be the set of all passwords which are six to eight characters long, where each chara...
Let ( S ) be the set of all passwords which are six to eight characters long, where each character is either an alphabet from ( {A, B, C, D, E} ) or a number from ( {1,2,3,4,5} ) with the repetition of characters allowed. If the number of passwords in ( mathrm{S} ) whose at least one character is a number from ( {1,2,3 ), ( -4,5} ) is ( alpha ...