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anonymous
 4 years ago
A palindrome is a string whose reversal is identical to the string. For instance, the strings: POP, CIVIC, RADAR, and REVIVER are palindromes.
How many different strings over uppercase alphabet (A to Z) of length 9 are not palindromes?
anonymous
 4 years ago
A palindrome is a string whose reversal is identical to the string. For instance, the strings: POP, CIVIC, RADAR, and REVIVER are palindromes. How many different strings over uppercase alphabet (A to Z) of length 9 are not palindromes?

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UnkleRhaukus
 4 years ago
Best ResponseYou've already chosen the best response.2every nine character palindrome is definable by the first 5 characters

UnkleRhaukus
 4 years ago
Best ResponseYou've already chosen the best response.2how many different, 5 character strings are there?
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