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Post-UTME Mathematics 2016 Objective — Question 40

Question 40 of 60 from the Post-UTME Screening (Post-UTME) Mathematics 2016 Objective paper, with the correct answer and a full explanation.

Factorial 10. (n-3)!/(n-5)! = ?

A. (n-3)!
B. (n-5)!
C. (n-3)(n-4)Correct
D. (n-3)(n-4)(n-5)

Explanation

(n-3)!/(n-5)! = (n-3)(n-4)(n-5)!/(n-5)! = (n-3)(n-4).

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