Let $A,B,C,M$ were four matrices such that $M=ABC$, $M$ and $B$ invertible and $A,C$ need not to be square and invertible. What is inverse of $B$?
2026-03-25 06:34:24.1774420464
Find the inverse of $B$
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$$M=ABC\implies B=(CM^{-1}A)^{-1}$$