I found a problem where I need to calculate 9! Only to 4. What would this be called? How would this be seen In a math problem apposed to (9! - 4!)

Question

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Answer 1

What do you mean by calculating 9! only to 4?

 

9! = 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 = ?

 

Note that

 

9! / 4! = 9 x 8 x 7 x 6 x 5