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How many arangments of letters in PARALLEL
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Sep 23, 2019
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How many arangments of letters in PARALLEL
Mathematics
college
Erik Kinding
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There are 8! ways to arrange the 8 letters. Due to the repeated L (3×) and A (2×), only one out of (2!)(3!) = 12 of these is unique.
The number of
unique arrangements
is 8!/(2!*3!) =
3,360
Ru Chern Chong
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Sep 27, 2019
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Ru Chern Chong
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