is there a 2x2 matrix A so A2 = -I?

(I is ident matrix)

3 posts
• Page **1** of **1**

is there a 2x2 matrix A so A2 = -I?

(I is ident matrix)

(I is ident matrix)

- king&i
**Posts:**24**Joined:**Sat Mar 07, 2009 5:13 pm

In case you're still working on this:

Now solve. There is more than one solution.

Now solve. There is more than one solution.

- nona.m.nona
**Posts:**260**Joined:**Sun Dec 14, 2008 11:07 pm

3 posts
• Page **1** of **1**