# Skew-symmetric matrix proof

1. Oct 22, 2006

### j3n

Hey,

I need help with thris proof.. :)

Say A is a skew-symmetric matrix. Is B=A^2 skew-symmetric, symmetric or neither. Prove your answer.

I know it's symmetric, but I'm having problems with subscriptmanship. Can anyone help me out?

Thanks,
j3n

2. Oct 23, 2006

### robphy

Here's a starting point:
$$A=-A^\top$$