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In how many ways can the letters aaabbcd be arranged so that no 2 b’s and no 2 a’s are together? Pls explain

In how many ways can the letters aaabbcd be arranged so that no 2 b’s and no 2 a’s are together?
Pls explain
 

Grade:12

1 Answers

Nishant Vora IIT Patna
askIITians Faculty 2467 Points
6 years ago
Dear student,

Here is a hint!

first try to arrange bbcd → 4!/2!
Now aaa will be filled in gaps formed but remember two b’s must not be together

Thanks

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