Let A, B, and A + B be nonsingular matrices. Prove that A^-1 + B^-1 is nonsingular by showing that ( A^-1 + B^-1)^-1 = A ( A + B)^-1 B
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Let A, B, and A + B be nonsingular matrices. Prove that A^-1 + B^-1 is nonsingular by showing that ( A^-1 + B^-1)^-1 = A ( A + B)^-1 B
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.