(Sorry, posting a lot of threads tonight. Exams coming up, past papers are surprisingly unlike my notes :( )

A =

Determine all 2 x 2 matrices B such that AB-BA =

I really don't know how to even start this one. Could anybody give any pointers?

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- May 26th 2010, 10:37 AMscofield131Matrices.
(Sorry, posting a lot of threads tonight. Exams coming up, past papers are surprisingly unlike my notes :( )

A =

Determine all 2 x 2 matrices B such that AB-BA =

I really don't know how to even start this one. Could anybody give any pointers?

- May 26th 2010, 10:51 AMPlato
Let

Find so that - May 26th 2010, 11:14 AMscofield131
- May 26th 2010, 11:59 AMPlato
If you have any hope of passing this test then you better improve basic skills.