, 1. Find the answer to each of the following by first reducing the fractions as much as possible:
a) P(412,3)=
b) C(587,585)=
2. Suppose you are going to make a password that consists of 5 characters chosen from
{1,2,4,9,d,i,k,m,n,w,z}.How many different passwords can you make if you cannot use any character more than
once in each password?