Finite Math Examples

${}_{1}C_{2}$

Step 1

Evaluate

${}_{1}C_{2}$ using the formula

${}_{n}C_{r} = \frac{n!}{(n - r)! r!}$ .

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

Step 2

Since

$r > n$ , it is impossible to select

$2$ items from a total of only

$1$ possible items.

$0$

${}_{1}C_{2}$

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$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$