Concept explainers
Discussion Problems
Use part (c) of Theorem 7.1.1 to show that
where a and b are real and i2 = −1. Show how Euler’s formula (page 136) can then be used to deduce the results
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Chapter 7 Solutions
First Course in Differential Equations (Instructor's)
- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage