If (1 2 3 4 ........ n) = n!, then 15! - 14! - 13! is equal to

1.	If (1 2 3 4 ........ n) = n!, then 15! - 14! - 13! is equal to ___?
A.	14 13 13!
B.	15 14 14!
C.	14 12 12!
D.	15 13 13!
Answer» E.

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If (1 2 3 4 ........ n) = n!, then 15! - 14! - 13! is equal to ___?

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