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10-07-2021
Mathematics

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A club has 15 members and needs to choose 2 members to be co-presidents. In how many ways can the club choose its co-presidents?

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loconte loconte

10-07-2021

Answer:

15 choose 2 = 105

[tex]=\frac{15!}{2!\left(15-2\right)!}[/tex]

Step-by-step explanation:

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