Differential Equations and Linear Algebra (4th Edition)

Published by Pearson
ISBN 10: 0-32196-467-5
ISBN 13: 978-0-32196-467-0

Chapter 1 - First-Order Differential Equations - 1.1 Differential Equations Everywhere - True-False Review - Page 10: a



Work Step by Step

A differential equation doesn't have to contain the first derivative, it has to contain some sort of derivative, not specifically the first derivative. For example, $f''(x)-x=0$ doesn't contain $f'(x)$, but it is still a differential equation, since it has a derivative in it.
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