SOLUTION: How to calculate permutation for 'ATLANTIC'?

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Question 1020633: How to calculate permutation for 'ATLANTIC'?
Found 2 solutions by fractalier, ryst14:
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
There are eight letters and two pairs of repeating letters, so this would be
8!/(2!*2!) = 10080

Answer by ryst14(1) About Me  (Show Source):
You can put this solution on YOUR website!
ATLANTIC
A=2
T=2
L=1
N=1
I-1
C=1
n(no. of letters of the word ATLANTIC)=8
Cancel out all with the values of 1.
8!/(2!)(2!)=10080