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Popular >

2 nCr 2

Solution

2 nCr 2

Solution

1

Solution steps

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

Plug in

n = 2, r = 2

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

\frac{2 !}{2 ! ( 2 - 2 ) !} = 1

= 1

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Frequently Asked Questions (FAQ)

What is 2 nCr 2 ?
The answer to 2 nCr 2 is 1