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secondary 3 | A Maths
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Nicky
Nicky

secondary 3 chevron_right A Maths chevron_right Singapore

How to do?!

Date Posted: 3 years ago
Views: 180

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Kong Teck Kuan
Kong Teck Kuan's answer
7 answers (Tutor Details)
1st
n! = n (n-1) (n-2) (n-3)....
= n (n-1) (n-2)! essentially
Nicky
Nicky
3 years ago
Thanksss