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

(I is ident matrix)

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

(I is ident matrix)

(I is ident matrix)

- king&i
**Posts:**25**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:**256**Joined:**Sun Dec 14, 2008 11:07 pm

3 posts
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