Think about what you know.
You know that A has an inverse (or similarly for B).
So exists. So chances are it's going to be very closely related to your similarity transformation.
Hope that helps.
Let be square matrices of order .
If or is invertible, show that is similar to .
First I saw this question, I think there' s a typo in this question since every matrix is similar to itself.
May be it should be similar to .
Anyway, i still can't solve it if it is .