Chapter 12.6, Problem 26P

Find the value of each expression.

${}_6{C}_5$

To determine

Find the value of the given expression.

Answer to Problem 26P

6

Explanation of Solution

Given:

The given expression is :

  $C{}_5$

Formula Used:

  $C{}_r=\frac{n!}{r!(n-r)!}$

Calculation:

  $C{}_5=\frac{6!}{5!(6-5)!}=\frac{6!}{5!1!}=\frac{6\cdot 5!}{1!5!}=6$ .