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Popular >

19 choose 2

Solution

19C2

Solution

171

Solution steps

= \frac{n !}{r ! ( n - r ) !}

Plug in

n = 19, r = 2

= \frac{19 !}{2 ! ( 19 - 2 ) !}

\frac{19 !}{2 ! ( 19 - 2 ) !} = 171

= 171

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20 C 2

range of 10,39,71,42,39,76,38,25 range

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Frequently Asked Questions (FAQ)

What is 19 choose 2 ?
The answer to 19 choose 2 is 171