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The given words has 6 letters; of them, the letter "A" repeats 3 times and letter "B" repeats 2 times.
The answer is = = 60.
In the formula, 3! stands to account for the letter "A" repeating thrice, and 2! stands to account for the letter "B", repeating twice.
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- Arranging elements of sets containing indistinguishable elements
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