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Popular >

1Cn

Solution

1Cn

Solution

\frac{1}{n ! ( 1 - n ) !}

Solution steps

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

Plug in

n = 1, r = n

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

Simplify

\frac{1 !}{n ! ( 1 - n ) !} : \frac{1}{n ! ( 1 - n ) !}

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

Popular Examples

geometricmean of 8,6,6,5,8 geometric mean

8, 6, 6, 5, 8

std of 3,4,2,1,2,3,5,4,4,3,2 standard deviation

3, 4, 2, 1, 2, 3, 5, 4, 4, 3, 2

geometricmean of 10,18 geometric mean

10, 18

std of 68,65,58,55,49 standard deviation

68, 65, 58, 55, 49

arithmeticmean of 65,68,69,70,71,72,90,95 average

65, 68, 69, 70, 71, 72, 90, 95

Frequently Asked Questions (FAQ)

What is 1Cn ?
The answer to 1Cn is 1/(n!(1-n)!)