Question

Find the indicated terms in each of the sequences in Exercises 7 to 10 whose n th terms are: an = n$\frac{(n-2)}{n+3}$ ; a20.

Answer 1

Substituting n = 20, we obtain

a20 = 20$\frac{(20-2)}{20+3}$

= 20$\frac{(18)}{23}$

= $\frac{360}{23}$