Malupet0279idn
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find the value and show your solution.

2. C(6,2)​

Sagot :

Madrinianjhonmelvinidn

Answer:

alegbra 2 prob/stat

Step-by-step explanation:

C(6,2) is, I assume, a way of writing 6 choose 2. If so, then here we go!

By definition,

C(6,2) = 6! / (2! x (6-2)!)

= 6! / (2! x 4!)

= 6x5 x 4! / (2! x 4!)

Canceling the 4! from the top and bottom, we have

C(6,2) = 6x5 / 2!

= 6x5 / (2x1)

= 3x5

= 15.

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