Small Jason Hu

Budget: $15

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Let A and B be invertible matrices, prove that AB is invertible and AB-1 = B-1A-1Let A and B be invertible matrices, prove that AB is invertible and AB-1 = B-1A-1

Answer

Small Tutor Farzad Farzanegan

By the question we can get that AA-1 = A-1A = I, and BB-1 = B-1B = I, so then we ...


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