Asked by Anonymous
consider the number of permutations of the letter in the word appil.
1. in how many ways can you arrange all of the letters?
2. in how many ways can you arrange three of the letters?
1. in how many ways can you arrange all of the letters?
2. in how many ways can you arrange three of the letters?
Answers
Answered by
oobleck
5 letters, 2 p's, so
#1. 5!/2!
#2. There are 5C3 ways to pick the letters
3 of those have 2 p's.
So, 3*3!/2! + (5C3-4)*3!
#1. 5!/2!
#2. There are 5C3 ways to pick the letters
3 of those have 2 p's.
So, 3*3!/2! + (5C3-4)*3!
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.