Answer:
1
Step-by-step explanation:
Using the definition
n[tex]C_{r}[/tex] = [tex]\frac{n!}{r!(n-r)!}[/tex]
where n! = n(n - 1)(n - 2) × 3 × 2 × 1
and 0! = 1
3[tex]C_{3}[/tex]
= [tex]\frac{3!}{3!(3 - 3)!}[/tex]
= [tex]\frac{3!}{3!(0!)}[/tex]
= [tex]\frac{3!}{3!}[/tex] = 1
