Question

span > If (1×2×3×4×.....n) = n!, then [(14)! - (13)! - (12)!] is equal to:

A 14 × 12 × (12)!
B 14 × 12 × (13)!
C 14 × (13) × (13)!
D 13 × 12 × (12)!
Practice Next

Hey! Ask a query