The number of permutations of the letters of the word EXERCISES ta | Filo

Class 11

Math

Algebra

Permutations and Combinations

541
150

The number of permutations of the letters of the word EXERCISES taken 5 at a time is

1. 2250
2. 30240
3. 22660
4. None of these
Correct Answer: Option(a)
Solution: Given word is
Hence
Hence the required combination is
the coefficient of in

Simplifying , we get the coefficient as

541
150

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