Question
If letters of the word is permuted in all possible ways,
a)How many words begin with
b)How many words start with and end with
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Text solutionVerified
a)If we fix the first place as , the remaining letters can be permuted in ways
So required answer
b)Now if we fix both first and last places, remaining letters can be permuted in ways
So required answer
So required answer
b)Now if we fix both first and last places, remaining letters can be permuted in ways
So required answer
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Question Text | If letters of the word is permuted in all possible ways, a)How many words begin with b)How many words start with and end with |
Answer Type | Text solution:1 |
Upvotes | 150 |