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!

View Answer
Option – D.