tearn of 3 men and 4 women will be selected to attend a nati

tearn of 3 men and 4 women will be selected to attend a national conference on insurance fraud From the 9 male and 6 female sales representatives f ran insurance company, a in how many ways can the team of 7 representatives be selected? In how many ways can the team of 7 be selected?

Solution

Selecting 3 men and 4 women from 9 male and 6 female = 9C3 * 6C4 =84*15=1260

Second question

a_n=4n²(9n-167)

a₁₈

We have to plug n=18

a₁₈=4(18)²(9*18-167)= -6480