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I have a question here. ​

I have a question here. ​-example-1
User Petero
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1 Answer

5 votes

Answer:

3 ways

Explanation:

n = 3; r = 2


nC_(r)=(n!)/(r!(n-r)!)\\\\3C_(2)=(3!)/(2!1!)=(3*2*1)/(2*1)=3

User Tomanizer
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