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I am stuck and need help with this one Each character in a password is either a digit [0-9] or lowercase letter [a-z]. How many

I am stuck and need help with this one

Each character in a password is either a digit [0-9] or lowercase letter [a-z]. How many valid passwords are there with the given restriction(s)? Length is 14 and cannot start nor end with a digit. Ex: 26 * 36121 Write a as: a*b

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