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

Prove if [tex]\vec{x}\times\vec{v}=\vec{x}\times \vec{u}[/tex], then [tex]\vec{v}=\vec{u}[/tex]

where [tex]\vec{x}\neq \vec{0}[/tex]

2. The attempt at a solution

Use the definition of cross product and tried to reduce it.

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

Dismiss Notice

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: Probably easy proof for you guys

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