Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 10 - Review Exercises - Page 1124: 34


$ a_{1}=-1;a_2=5;a_3=-25;a_4=125;a_5=-625$

Work Step by Step

The general formula to find the nth term of a Geometric sequence is given as: $ a_{n}=a_1r^{n-1}$ We make use of the recursive formula to get higher order terms from lower ones. So, the first $5$ terms of the sequence are $ a_{1}=-1;a_2=5;a_3=-25;a_4=125;a_5=-625$
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