If (1 x 2 x 3 x4 x.....xn)=n!, then(14! - 13! - 12!) is equal to : – McqOptions

MCQOPTIONS

1.	If (1 x 2 x 3 x4 x.....xn)=n!, then(14! - 13! - 12!) is equal to :
A.	14 x 12 x (12!)
B.	14 x 12 x (13!)
C.	14 x 13 x (13!)
D.	13 x 12 x (12 1)
Answer» B. 14 x 12 x (13!)

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