I am having to do a proof on a problem and am not really seeing it for some reason. Maybe it's because I have been doing the homework for so long.(adsbygoogle = window.adsbygoogle || []).push({});

Prove that if A is nonsingular then A^T is nonsingular and

(A^T)^-1 = (A^-1)^T

Hint: (AB)^T = B^T*A^T

I understand the hint, but I cant seem to get an image of the actual problem.

Can anyone help me?

**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: Another Linear Algebra Question

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