1.

Q: 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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