SOLUTION: Hi The Best Teachers online! Can you help me on this question please? Find the number of elements in the set {σ ε S5

SOLUTION: Hi The Best Teachers online! Can you help me on this question please? Find the number of elements in the set {σ ε S5 | σ(2) = 5}. Thank you God bless!

Question 1137636: Hi The Best Teachers online! Can you help me on this question please? Find the number of elements in the set {σ ε S5 | σ(2) = 5}. Thank you God bless!
Answer by ikleyn(52780) (Show Source): You can put this solution on YOUR website!
.

Although the post does not decipher all notations, I interpret it in this way :

        How many are there permutations of 5 elements that place the element "2" into position "5" ?

The answer is 4! = 4*3*2*1 = 24.

You are free to make all possible permutations of remaining 4 elements in remained 4 positions.

Answered and solved.

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