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Evaluate the factorial expression. (N+4)! N+4

User Avgbody
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n \in \mathbb N\\\\ ((n+4)!)/(n+4)\\\\ =((n+3)! (n+4))/((n+4))\\\\ =(n+3)!
User Novon
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5 votes

Answer:

The simplified form of given factorial expression is (N+3)!.

Explanation:

The given expression is


((N+4)!)/(N+4)

The n! is defined as


n!=n(n-1)(n-2)...3(2)(1)


n!=n(n-1)!

The given expression can be written as


((N+4)!)/(N+4)=((N+4)(N+4-1)!)/(N+4)


((N+4)!)/(N+4)=((N+4)(N+3)!)/(N+4)

Cancel out the common factors.


((N+4)!)/(N+4)=(N+3)!

Therefore the simplified form of given factorial expression is (N+3)!.

User Bernardw
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