# How do you write the nth term rule for the sequence #1/2,3,11/2,8,21/2,...#?

##### 1 Answer

Aug 1, 2016

#### Answer:

#### Explanation:

First decide whether it is an AP or GP.

Subtract consecutive terms.

There is the same difference, so it is an AP.

We have the first term, and d.

Sub into the general term.