Prove that a matrix A is invertible if and only if its reduced row echelon row is the identity matrix.(adsbygoogle = window.adsbygoogle || []).push({});

**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: Prove that a matrix A is invertible if and only if its reduced row echelon row is the

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