(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

show that y=e^{x-vt)7/8}

2. Relevant equations

d^{2}y/dt^{2}= d^{2}y/dx^{2}

3. The attempt at a solution

i dont understand how they solve this. in the book they have dy/dt=e^{z}dz/dt=-7/8ve^{z}(x-vt)^{-1/8}

I thought it would be -7/8ve^{ex-vt)7/8}not sure what they did any.

thanks

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Show function satisfies classical waveequation

**Physics Forums | Science Articles, Homework Help, Discussion**