Applied to civil engineering, telecommunications, vibration of stretched strings, and transmission lines.
If you need a free copy due to financial hardship, here’s what you can do: Applied to civil engineering
" Differential Equations and Their Applications" by Zafar Ahsan is a comprehensive textbook that covers the basics of differential equations, including: vibration of stretched strings
Differential Equations and Their Applications Zafar Ahsan , a professor at Aligarh Muslim University, is a widely used textbook primarily designed for undergraduate students in mathematics, physics, and engineering. Google Books Book Overview Published by PHI Learning (formerly Prentice-Hall of India) a professor at Aligarh Muslim University