Where n 5 and r = 2 N!/(n-r)

Rashy asked May 18, 2023

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36 votes

Where n
5 and r = 2
N!/(n-r)

Rashy asked May 18, 2023

by Rashy

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22 votes

Answer:

(5 * 4 * 3 * 2 * 1)/(5 - 2) = (120)/(3 ) = 40

Aularon answered May 25, 2023

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