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Post-UTME Mathematics 2016 Objective — Question 38

Question 38 of 60 from the Post-UTME Screening (Post-UTME) Mathematics 2016 Objective paper, with the correct answer and a full explanation.

Factorial 8. n!/(n-3)! = ?

A. n!
B. (n-3)!
C. n(n-1)(n-2)Correct
D. n(n-1)(n-2)(n-3)

Explanation

n!/(n-3)! = n(n-1)(n-2)(n-3)!/(n-3)! = n(n-1)(n-2).

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