I'm looking for help to this problem. Here is my attempt:(adsbygoogle = window.adsbygoogle || []).push({});

I being the identity matrix and B^(-1) being B to the negative 1st power.

A (B B^(-1)) C D = B^(-1) I

so A I C D = B^(-1)

so A C D = B^(-1)

Thank you for any help.

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# If ABCD = I, express B^(-1) in terms of A,C, and D (Linear algebra, attempt inside)

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