Chapter 8.1, Problem 28E

To determine

To find: the first 10 terms of the sequence.

Answer to Problem 28E

First ten terms of this sequence are $12,48,120,240,420,672,1008,1440,1980,2640$ respectively.

Explanation of Solution

Given information:

Given sequence

  $a_n=2n\left(n+1\right)-7$

Calculation:

Use the table feature of graphing utility to find the first 10 terms of sequence by using following steps:

Press MODE key, select Seq in the fourth line and hit Enter

  

Press $Y=$ and Enter the sequence,

  

Set the table by pressing TBLSET and then press TABLE,

  

Hence, first ten terms of this sequence are $12,48,120,240,420,672,1008,1440,1980,2640$ respectively.