Question 1040189
.
Just was solved in

<A HREF=https://www.algebra.com/algebra/homework/Permutations/Permutations.faq.question.1040190.html>https://www.algebra.com/algebra/homework/Permutations/Permutations.faq.question.1040190.html</A> 


https://www.algebra.com/algebra/homework/Permutations/Permutations.faq.question.1040190.html