usin (x - at)In (xat)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.3: Algebraic Expressions
Problem 20E
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Hi, this is my question:

Show that the following function is a solution to the wave equation utt=a2uxx.

 

usin (x
- at)In (xat)
Transcribed Image Text:usin (x - at)In (xat)
Expert Solution
Step 1

The given function is u = sin(x-at)+ln(x+at).

 

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