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07-03-2022
Mathematics

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devishri1977 devishri1977

07-03-2022

Answer:

Step-by-step explanation:

n = 3 & k =2

[tex]3C_{2}=\dfrac{3!}{2!*1!}\\\\=\dfrac{3*2*1}{2*1}\\\\=3[/tex]

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