SOLUTION: Find the number of arrangements of all the seven letters of the word ECLIPSE in which (a) L and I are separated; (b) the vowels are all separated.

Algebra ->  Permutations -> SOLUTION: Find the number of arrangements of all the seven letters of the word ECLIPSE in which (a) L and I are separated; (b) the vowels are all separated.       Log On


   

Question 504348: Find the number of arrangements of all the seven letters of the word ECLIPSE in which
(a) L and I are separated;
(b) the vowels are all separated.
Answer by sudhanshu_kmr(1152) About Me  (Show Source):
You can put this solution on YOUR website!
a) 7!/2! - 6!/2! *2!


b) 4! * 5P3/2!



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